261796648

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 495855360

約数和(自身を除く): 234058712

約数列:

[1, 2, 4, 8, 223, 257, 446, 514, 571, 892, 1028, 1142, 1784, 2056, 2284, 4568, 57311, 114622, 127333, 146747, 229244, 254666, 293494, 458488, 509332, 586988, 1018664, 1173976, 32724581, 65449162, 130898324, 261796648]

約数ペア:

[(1, 261796648), (2, 130898324), (4, 65449162), (8, 32724581), (223, 1173976), (257, 1018664), (446, 586988), (514, 509332), (571, 458488), (892, 293494), (1028, 254666), (1142, 229244), (1784, 146747), (2056, 127333), (2284, 114622), (4568, 57311)]