1620848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 40

約数和(自身を含む): 3414960

約数和(自身を除く): 1794112

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 101, 118, 136, 202, 236, 272, 404, 472, 808, 944, 1003, 1616, 1717, 2006, 3434, 4012, 5959, 6868, 8024, 11918, 13736, 16048, 23836, 27472, 47672, 95344, 101303, 202606, 405212, 810424, 1620848]

約数ペア:

[(1, 1620848), (2, 810424), (4, 405212), (8, 202606), (16, 101303), (17, 95344), (34, 47672), (59, 27472), (68, 23836), (101, 16048), (118, 13736), (136, 11918), (202, 8024), (236, 6868), (272, 5959), (404, 4012), (472, 3434), (808, 2006), (944, 1717), (1003, 1616)]