15691438895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1\times {\mathrm{397}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 21939033600

約数和(自身を除く): 6247594705

約数列:

[1, 5, 11, 19, 55, 95, 109, 209, 347, 397, 545, 1045, 1199, 1735, 1985, 2071, 3817, 4367, 5995, 6593, 7543, 10355, 19085, 21835, 22781, 32965, 37715, 37823, 43273, 72523, 82973, 113905, 137759, 189115, 216365, 362615, 414865, 416053, 476003, 688795, 718637, 822187, 1515349, 2080265, 2380015, 2617421, 3593185, 4110935, 7576745, 7905007, 9044057, 13087105, 15015731, 28791631, 39525035, 45220285, 75078655, 143958155, 165173041, 285298889, 825865205, 1426494445, 3138287779, 15691438895]

約数ペア:

[(1, 15691438895), (5, 3138287779), (11, 1426494445), (19, 825865205), (55, 285298889), (95, 165173041), (109, 143958155), (209, 75078655), (347, 45220285), (397, 39525035), (545, 28791631), (1045, 15015731), (1199, 13087105), (1735, 9044057), (1985, 7905007), (2071, 7576745), (3817, 4110935), (4367, 3593185), (5995, 2617421), (6593, 2380015), (7543, 2080265), (10355, 1515349), (19085, 822187), (21835, 718637), (22781, 688795), (32965, 476003), (37715, 416053), (37823, 414865), (43273, 362615), (72523, 216365), (82973, 189115), (113905, 137759)]