1270984

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 2848860

約数和(自身を除く): 1577876

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 101, 104, 121, 143, 202, 242, 286, 404, 484, 572, 808, 968, 1111, 1144, 1313, 1573, 2222, 2626, 3146, 4444, 5252, 6292, 8888, 10504, 12221, 12584, 14443, 24442, 28886, 48884, 57772, 97768, 115544, 158873, 317746, 635492, 1270984]

約数ペア:

[(1, 1270984), (2, 635492), (4, 317746), (8, 158873), (11, 115544), (13, 97768), (22, 57772), (26, 48884), (44, 28886), (52, 24442), (88, 14443), (101, 12584), (104, 12221), (121, 10504), (143, 8888), (202, 6292), (242, 5252), (286, 4444), (404, 3146), (484, 2626), (572, 2222), (808, 1573), (968, 1313), (1111, 1144)]