201721312

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{11827}}^1$

素因数の和:11891

約数の個数: 48

約数和(自身を含む): 438156432

約数和(自身を除く): 236435120

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1312, 2132, 4264, 8528, 11827, 17056, 23654, 47308, 94616, 153751, 189232, 307502, 378464, 484907, 615004, 969814, 1230008, 1939628, 2460016, 3879256, 4920032, 6303791, 7758512, 12607582, 15517024, 25215164, 50430328, 100860656, 201721312]

約数ペア:

[(1, 201721312), (2, 100860656), (4, 50430328), (8, 25215164), (13, 15517024), (16, 12607582), (26, 7758512), (32, 6303791), (41, 4920032), (52, 3879256), (82, 2460016), (104, 1939628), (164, 1230008), (208, 969814), (328, 615004), (416, 484907), (533, 378464), (656, 307502), (1066, 189232), (1312, 153751), (2132, 94616), (4264, 47308), (8528, 23654), (11827, 17056)]