31157984

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 72

約数和(自身を含む): 72729720

約数和(自身を除く): 41571736

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 352, 416, 484, 572, 619, 968, 1144, 1238, 1573, 1936, 2288, 2476, 3146, 3872, 4576, 4952, 6292, 6809, 8047, 9904, 12584, 13618, 16094, 19808, 25168, 27236, 32188, 50336, 54472, 64376, 74899, 88517, 108944, 128752, 149798, 177034, 217888, 257504, 299596, 354068, 599192, 708136, 973687, 1198384, 1416272, 1947374, 2396768, 2832544, 3894748, 7789496, 15578992, 31157984]

約数ペア:

[(1, 31157984), (2, 15578992), (4, 7789496), (8, 3894748), (11, 2832544), (13, 2396768), (16, 1947374), (22, 1416272), (26, 1198384), (32, 973687), (44, 708136), (52, 599192), (88, 354068), (104, 299596), (121, 257504), (143, 217888), (176, 177034), (208, 149798), (242, 128752), (286, 108944), (352, 88517), (416, 74899), (484, 64376), (572, 54472), (619, 50336), (968, 32188), (1144, 27236), (1238, 25168), (1573, 19808), (1936, 16094), (2288, 13618), (2476, 12584), (3146, 9904), (3872, 8047), (4576, 6809), (4952, 6292)]