81407696

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8089}}^1$

素因数の和:8151

約数の個数: 40

約数和(自身を含む): 171540360

約数和(自身を除く): 90132664

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2516, 5032, 8089, 10064, 16178, 32356, 64712, 129424, 137513, 275026, 299293, 550052, 598586, 1100104, 1197172, 2200208, 2394344, 4788688, 5087981, 10175962, 20351924, 40703848, 81407696]

約数ペア:

[(1, 81407696), (2, 40703848), (4, 20351924), (8, 10175962), (16, 5087981), (17, 4788688), (34, 2394344), (37, 2200208), (68, 1197172), (74, 1100104), (136, 598586), (148, 550052), (272, 299293), (296, 275026), (592, 137513), (629, 129424), (1258, 64712), (2516, 32356), (5032, 16178), (8089, 10064)]