640970892

素因数分解:

$2^2\times 3^2\times {\mathrm{1439}}^1\times {\mathrm{12373}}^1$

素因数の和:13822

約数の個数: 36

約数和(自身を含む): 1621488960

約数和(自身を除く): 980518068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1439, 2878, 4317, 5756, 8634, 12373, 12951, 17268, 24746, 25902, 37119, 49492, 51804, 74238, 111357, 148476, 222714, 445428, 17804747, 35609494, 53414241, 71218988, 106828482, 160242723, 213656964, 320485446, 640970892]

約数ペア:

[(1, 640970892), (2, 320485446), (3, 213656964), (4, 160242723), (6, 106828482), (9, 71218988), (12, 53414241), (18, 35609494), (36, 17804747), (1439, 445428), (2878, 222714), (4317, 148476), (5756, 111357), (8634, 74238), (12373, 51804), (12951, 49492), (17268, 37119), (24746, 25902)]