71212570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2671

約数の個数: 64

約数和(自身を含む): 158578560

約数和(自身を除く): 87365990

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 1045, 1235, 1430, 2090, 2470, 2621, 2717, 5242, 5434, 13105, 13585, 26210, 27170, 28831, 34073, 49799, 57662, 68146, 99598, 144155, 170365, 248995, 288310, 340730, 374803, 497990, 547789, 647387, 749606, 1095578, 1294774, 1874015, 2738945, 3236935, 3748030, 5477890, 6473870, 7121257, 14242514, 35606285, 71212570]

約数ペア:

[(1, 71212570), (2, 35606285), (5, 14242514), (10, 7121257), (11, 6473870), (13, 5477890), (19, 3748030), (22, 3236935), (26, 2738945), (38, 1874015), (55, 1294774), (65, 1095578), (95, 749606), (110, 647387), (130, 547789), (143, 497990), (190, 374803), (209, 340730), (247, 288310), (286, 248995), (418, 170365), (494, 144155), (715, 99598), (1045, 68146), (1235, 57662), (1430, 49799), (2090, 34073), (2470, 28831), (2621, 27170), (2717, 26210), (5242, 13585), (5434, 13105)]