1254448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 40

約数和(自身を含む): 2704688

約数和(自身を除く): 1450240

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 163, 208, 296, 326, 481, 592, 652, 962, 1304, 1924, 2119, 2608, 3848, 4238, 6031, 7696, 8476, 12062, 16952, 24124, 33904, 48248, 78403, 96496, 156806, 313612, 627224, 1254448]

約数ペア:

[(1, 1254448), (2, 627224), (4, 313612), (8, 156806), (13, 96496), (16, 78403), (26, 48248), (37, 33904), (52, 24124), (74, 16952), (104, 12062), (148, 8476), (163, 7696), (208, 6031), (296, 4238), (326, 3848), (481, 2608), (592, 2119), (652, 1924), (962, 1304)]