221401908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3557}}^1$

素因数の和:3606

約数の個数: 144

約数和(自身を含む): 725262720

約数和(自身を除く): 503860812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 342, 364, 399, 468, 494, 532, 546, 684, 741, 798, 819, 988, 1092, 1197, 1482, 1596, 1638, 1729, 2223, 2394, 2964, 3276, 3458, 3557, 4446, 4788, 5187, 6916, 7114, 8892, 10374, 10671, 14228, 15561, 20748, 21342, 24899, 31122, 32013, 42684, 46241, 49798, 62244, 64026, 67583, 74697, 92482, 99596, 128052, 135166, 138723, 149394, 184964, 202749, 224091, 270332, 277446, 298788, 323687, 405498, 416169, 448182, 473081, 554892, 608247, 647374, 810996, 832338, 878579, 896364, 946162, 971061, 1216494, 1294748, 1419243, 1664676, 1757158, 1892324, 1942122, 2432988, 2635737, 2838486, 2913183, 3514316, 3884244, 4257729, 5271474, 5676972, 5826366, 6150053, 7907211, 8515458, 10542948, 11652732, 12300106, 15814422, 17030916, 18450159, 24600212, 31628844, 36900318, 55350477, 73800636, 110700954, 221401908]

約数ペア:

[(1, 221401908), (2, 110700954), (3, 73800636), (4, 55350477), (6, 36900318), (7, 31628844), (9, 24600212), (12, 18450159), (13, 17030916), (14, 15814422), (18, 12300106), (19, 11652732), (21, 10542948), (26, 8515458), (28, 7907211), (36, 6150053), (38, 5826366), (39, 5676972), (42, 5271474), (52, 4257729), (57, 3884244), (63, 3514316), (76, 2913183), (78, 2838486), (84, 2635737), (91, 2432988), (114, 1942122), (117, 1892324), (126, 1757158), (133, 1664676), (156, 1419243), (171, 1294748), (182, 1216494), (228, 971061), (234, 946162), (247, 896364), (252, 878579), (266, 832338), (273, 810996), (342, 647374), (364, 608247), (399, 554892), (468, 473081), (494, 448182), (532, 416169), (546, 405498), (684, 323687), (741, 298788), (798, 277446), (819, 270332), (988, 224091), (1092, 202749), (1197, 184964), (1482, 149394), (1596, 138723), (1638, 135166), (1729, 128052), (2223, 99596), (2394, 92482), (2964, 74697), (3276, 67583), (3458, 64026), (3557, 62244), (4446, 49798), (4788, 46241), (5187, 42684), (6916, 32013), (7114, 31122), (8892, 24899), (10374, 21342), (10671, 20748), (14228, 15561)]