64243998

素因数分解:

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

素因数の和:479

約数の個数: 108

約数和(自身を含む): 175741488

約数和(自身を除く): 111497490

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 169, 182, 234, 273, 294, 338, 431, 441, 507, 546, 637, 819, 862, 882, 1014, 1183, 1274, 1293, 1521, 1638, 1911, 2366, 2586, 3017, 3042, 3549, 3822, 3879, 5603, 5733, 6034, 7098, 7758, 8281, 9051, 10647, 11206, 11466, 16562, 16809, 18102, 21119, 21294, 24843, 27153, 33618, 39221, 42238, 49686, 50427, 54306, 63357, 72839, 74529, 78442, 100854, 117663, 126714, 145678, 149058, 190071, 218517, 235326, 274547, 352989, 380142, 437034, 509873, 549094, 655551, 705978, 823641, 1019746, 1311102, 1529619, 1647282, 2470923, 3059238, 3569111, 4588857, 4941846, 7138222, 9177714, 10707333, 21414666, 32121999, 64243998]

約数ペア:

[(1, 64243998), (2, 32121999), (3, 21414666), (6, 10707333), (7, 9177714), (9, 7138222), (13, 4941846), (14, 4588857), (18, 3569111), (21, 3059238), (26, 2470923), (39, 1647282), (42, 1529619), (49, 1311102), (63, 1019746), (78, 823641), (91, 705978), (98, 655551), (117, 549094), (126, 509873), (147, 437034), (169, 380142), (182, 352989), (234, 274547), (273, 235326), (294, 218517), (338, 190071), (431, 149058), (441, 145678), (507, 126714), (546, 117663), (637, 100854), (819, 78442), (862, 74529), (882, 72839), (1014, 63357), (1183, 54306), (1274, 50427), (1293, 49686), (1521, 42238), (1638, 39221), (1911, 33618), (2366, 27153), (2586, 24843), (3017, 21294), (3042, 21119), (3549, 18102), (3822, 16809), (3879, 16562), (5603, 11466), (5733, 11206), (6034, 10647), (7098, 9051), (7758, 8281)]