71415736

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^2$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 164385720

約数和(自身を除く): 92969984

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 89, 92, 98, 161, 178, 184, 196, 322, 356, 392, 623, 644, 712, 1127, 1246, 1288, 2047, 2254, 2492, 4094, 4361, 4508, 4984, 7921, 8188, 8722, 9016, 14329, 15842, 16376, 17444, 28658, 31684, 34888, 55447, 57316, 63368, 100303, 110894, 114632, 182183, 200606, 221788, 364366, 388129, 401212, 443576, 728732, 776258, 802424, 1275281, 1457464, 1552516, 2550562, 3105032, 5101124, 8926967, 10202248, 17853934, 35707868, 71415736]

約数ペア:

[(1, 71415736), (2, 35707868), (4, 17853934), (7, 10202248), (8, 8926967), (14, 5101124), (23, 3105032), (28, 2550562), (46, 1552516), (49, 1457464), (56, 1275281), (89, 802424), (92, 776258), (98, 728732), (161, 443576), (178, 401212), (184, 388129), (196, 364366), (322, 221788), (356, 200606), (392, 182183), (623, 114632), (644, 110894), (712, 100303), (1127, 63368), (1246, 57316), (1288, 55447), (2047, 34888), (2254, 31684), (2492, 28658), (4094, 17444), (4361, 16376), (4508, 15842), (4984, 14329), (7921, 9016), (8188, 8722)]