399331010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1479

約数の個数: 64

約数和(自身を含む): 808635744

約数和(自身を除く): 409304734

約数列:

[1, 2, 5, 10, 13, 26, 37, 61, 65, 74, 122, 130, 185, 305, 370, 481, 610, 793, 962, 1361, 1586, 2257, 2405, 2722, 3965, 4514, 4810, 6805, 7930, 11285, 13610, 17693, 22570, 29341, 35386, 50357, 58682, 83021, 88465, 100714, 146705, 166042, 176930, 251785, 293410, 415105, 503570, 654641, 830210, 1079273, 1309282, 2158546, 3071777, 3273205, 5396365, 6143554, 6546410, 10792730, 15358885, 30717770, 39933101, 79866202, 199665505, 399331010]

約数ペア:

[(1, 399331010), (2, 199665505), (5, 79866202), (10, 39933101), (13, 30717770), (26, 15358885), (37, 10792730), (61, 6546410), (65, 6143554), (74, 5396365), (122, 3273205), (130, 3071777), (185, 2158546), (305, 1309282), (370, 1079273), (481, 830210), (610, 654641), (793, 503570), (962, 415105), (1361, 293410), (1586, 251785), (2257, 176930), (2405, 166042), (2722, 146705), (3965, 100714), (4514, 88465), (4810, 83021), (6805, 58682), (7930, 50357), (11285, 35386), (13610, 29341), (17693, 22570)]