1685669648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{137359}}^1$

素因数の和:137439

約数の個数: 40

約数和(自身を含む): 3576854400

約数和(自身を除く): 1891184752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 767, 944, 1534, 3068, 6136, 12272, 137359, 274718, 549436, 1098872, 1785667, 2197744, 3571334, 7142668, 8104181, 14285336, 16208362, 28570672, 32416724, 64833448, 105354353, 129666896, 210708706, 421417412, 842834824, 1685669648]

約数ペア:

[(1, 1685669648), (2, 842834824), (4, 421417412), (8, 210708706), (13, 129666896), (16, 105354353), (26, 64833448), (52, 32416724), (59, 28570672), (104, 16208362), (118, 14285336), (208, 8104181), (236, 7142668), (472, 3571334), (767, 2197744), (944, 1785667), (1534, 1098872), (3068, 549436), (6136, 274718), (12272, 137359)]