399048848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 873265536

約数和(自身を除く): 474216688

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 233, 263, 296, 407, 466, 526, 592, 814, 932, 1052, 1628, 1864, 2104, 2563, 2893, 3256, 3728, 4208, 5126, 5786, 6512, 8621, 9731, 10252, 11572, 17242, 19462, 20504, 23144, 34484, 38924, 41008, 46288, 61279, 68968, 77848, 94831, 107041, 122558, 137936, 155696, 189662, 214082, 245116, 379324, 428164, 490232, 674069, 758648, 856328, 980464, 1348138, 1517296, 1712656, 2267323, 2696276, 4534646, 5392552, 9069292, 10785104, 18138584, 24940553, 36277168, 49881106, 99762212, 199524424, 399048848]

約数ペア:

[(1, 399048848), (2, 199524424), (4, 99762212), (8, 49881106), (11, 36277168), (16, 24940553), (22, 18138584), (37, 10785104), (44, 9069292), (74, 5392552), (88, 4534646), (148, 2696276), (176, 2267323), (233, 1712656), (263, 1517296), (296, 1348138), (407, 980464), (466, 856328), (526, 758648), (592, 674069), (814, 490232), (932, 428164), (1052, 379324), (1628, 245116), (1864, 214082), (2104, 189662), (2563, 155696), (2893, 137936), (3256, 122558), (3728, 107041), (4208, 94831), (5126, 77848), (5786, 68968), (6512, 61279), (8621, 46288), (9731, 41008), (10252, 38924), (11572, 34484), (17242, 23144), (19462, 20504)]