31480124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 32023876

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 149, 221, 239, 298, 442, 478, 596, 884, 956, 1937, 2533, 3107, 3874, 4063, 5066, 6214, 7748, 8126, 10132, 12428, 16252, 32929, 35611, 52819, 65858, 71222, 105638, 131716, 142444, 211276, 462943, 605387, 925886, 1210774, 1851772, 2421548, 7870031, 15740062, 31480124]

約数ペア:

[(1, 31480124), (2, 15740062), (4, 7870031), (13, 2421548), (17, 1851772), (26, 1210774), (34, 925886), (52, 605387), (68, 462943), (149, 211276), (221, 142444), (239, 131716), (298, 105638), (442, 71222), (478, 65858), (596, 52819), (884, 35611), (956, 32929), (1937, 16252), (2533, 12428), (3107, 10132), (3874, 8126), (4063, 7748), (5066, 6214)]