2560844

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 5451936

約数和(自身を除く): 2891092

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 121, 143, 148, 242, 286, 407, 481, 484, 572, 814, 962, 1331, 1573, 1628, 1924, 2662, 3146, 4477, 5291, 5324, 6292, 8954, 10582, 17303, 17908, 21164, 34606, 49247, 58201, 69212, 98494, 116402, 196988, 232804, 640211, 1280422, 2560844]

約数ペア:

[(1, 2560844), (2, 1280422), (4, 640211), (11, 232804), (13, 196988), (22, 116402), (26, 98494), (37, 69212), (44, 58201), (52, 49247), (74, 34606), (121, 21164), (143, 17908), (148, 17303), (242, 10582), (286, 8954), (407, 6292), (481, 5324), (484, 5291), (572, 4477), (814, 3146), (962, 2662), (1331, 1924), (1573, 1628)]