261567376

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1217}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 616210560

約数和(自身を除く): 354643184

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 101, 112, 133, 152, 202, 266, 304, 404, 532, 707, 808, 1064, 1217, 1414, 1616, 1919, 2128, 2434, 2828, 3838, 4868, 5656, 7676, 8519, 9736, 11312, 13433, 15352, 17038, 19472, 23123, 26866, 30704, 34076, 46246, 53732, 68152, 92492, 107464, 122917, 136304, 161861, 184984, 214928, 245834, 323722, 369968, 491668, 647444, 860419, 983336, 1294888, 1720838, 1966672, 2335423, 2589776, 3441676, 4670846, 6883352, 9341692, 13766704, 16347961, 18683384, 32695922, 37366768, 65391844, 130783688, 261567376]

約数ペア:

[(1, 261567376), (2, 130783688), (4, 65391844), (7, 37366768), (8, 32695922), (14, 18683384), (16, 16347961), (19, 13766704), (28, 9341692), (38, 6883352), (56, 4670846), (76, 3441676), (101, 2589776), (112, 2335423), (133, 1966672), (152, 1720838), (202, 1294888), (266, 983336), (304, 860419), (404, 647444), (532, 491668), (707, 369968), (808, 323722), (1064, 245834), (1217, 214928), (1414, 184984), (1616, 161861), (1919, 136304), (2128, 122917), (2434, 107464), (2828, 92492), (3838, 68152), (4868, 53732), (5656, 46246), (7676, 34076), (8519, 30704), (9736, 26866), (11312, 23123), (13433, 19472), (15352, 17038)]