128487996

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 162

約数和(自身を含む): 410063472

約数和(自身を除く): 281575476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 169, 182, 196, 234, 252, 273, 294, 338, 364, 431, 441, 468, 507, 546, 588, 637, 676, 819, 862, 882, 1014, 1092, 1183, 1274, 1293, 1521, 1638, 1724, 1764, 1911, 2028, 2366, 2548, 2586, 3017, 3042, 3276, 3549, 3822, 3879, 4732, 5172, 5603, 5733, 6034, 6084, 7098, 7644, 7758, 8281, 9051, 10647, 11206, 11466, 12068, 14196, 15516, 16562, 16809, 18102, 21119, 21294, 22412, 22932, 24843, 27153, 33124, 33618, 36204, 39221, 42238, 42588, 49686, 50427, 54306, 63357, 67236, 72839, 74529, 78442, 84476, 99372, 100854, 108612, 117663, 126714, 145678, 149058, 156884, 190071, 201708, 218517, 235326, 253428, 274547, 291356, 298116, 352989, 380142, 437034, 470652, 509873, 549094, 655551, 705978, 760284, 823641, 874068, 1019746, 1098188, 1311102, 1411956, 1529619, 1647282, 2039492, 2470923, 2622204, 3059238, 3294564, 3569111, 4588857, 4941846, 6118476, 7138222, 9177714, 9883692, 10707333, 14276444, 18355428, 21414666, 32121999, 42829332, 64243998, 128487996]

約数ペア:

[(1, 128487996), (2, 64243998), (3, 42829332), (4, 32121999), (6, 21414666), (7, 18355428), (9, 14276444), (12, 10707333), (13, 9883692), (14, 9177714), (18, 7138222), (21, 6118476), (26, 4941846), (28, 4588857), (36, 3569111), (39, 3294564), (42, 3059238), (49, 2622204), (52, 2470923), (63, 2039492), (78, 1647282), (84, 1529619), (91, 1411956), (98, 1311102), (117, 1098188), (126, 1019746), (147, 874068), (156, 823641), (169, 760284), (182, 705978), (196, 655551), (234, 549094), (252, 509873), (273, 470652), (294, 437034), (338, 380142), (364, 352989), (431, 298116), (441, 291356), (468, 274547), (507, 253428), (546, 235326), (588, 218517), (637, 201708), (676, 190071), (819, 156884), (862, 149058), (882, 145678), (1014, 126714), (1092, 117663), (1183, 108612), (1274, 100854), (1293, 99372), (1521, 84476), (1638, 78442), (1724, 74529), (1764, 72839), (1911, 67236), (2028, 63357), (2366, 54306), (2548, 50427), (2586, 49686), (3017, 42588), (3042, 42238), (3276, 39221), (3549, 36204), (3822, 33618), (3879, 33124), (4732, 27153), (5172, 24843), (5603, 22932), (5733, 22412), (6034, 21294), (6084, 21119), (7098, 18102), (7644, 16809), (7758, 16562), (8281, 15516), (9051, 14196), (10647, 12068), (11206, 11466)]