644916828

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{12301}}^1$

素因数の和:12582

約数の個数: 48

約数和(自身を含む): 1599653664

約数和(自身を除く): 954736836

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 257, 514, 771, 1028, 1542, 3084, 4369, 8738, 12301, 13107, 17476, 24602, 26214, 36903, 49204, 52428, 73806, 147612, 209117, 418234, 627351, 836468, 1254702, 2509404, 3161357, 6322714, 9484071, 12645428, 18968142, 37936284, 53743069, 107486138, 161229207, 214972276, 322458414, 644916828]

約数ペア:

[(1, 644916828), (2, 322458414), (3, 214972276), (4, 161229207), (6, 107486138), (12, 53743069), (17, 37936284), (34, 18968142), (51, 12645428), (68, 9484071), (102, 6322714), (204, 3161357), (257, 2509404), (514, 1254702), (771, 836468), (1028, 627351), (1542, 418234), (3084, 209117), (4369, 147612), (8738, 73806), (12301, 52428), (13107, 49204), (17476, 36903), (24602, 26214)]