643120126

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 1116758016

約数和(自身を除く): 473637890

約数列:

[1, 2, 11, 22, 43, 53, 86, 101, 106, 127, 202, 254, 473, 583, 946, 1111, 1166, 1397, 2222, 2279, 2794, 4343, 4558, 5353, 5461, 6731, 8686, 10706, 10922, 12827, 13462, 25069, 25654, 47773, 50138, 58883, 60071, 74041, 95546, 117766, 120142, 141097, 148082, 230179, 282194, 289433, 460358, 551561, 578866, 679831, 1103122, 1359662, 2531969, 3183763, 5063938, 6067171, 6367526, 7478141, 12134342, 14956282, 29232733, 58465466, 321560063, 643120126]

約数ペア:

[(1, 643120126), (2, 321560063), (11, 58465466), (22, 29232733), (43, 14956282), (53, 12134342), (86, 7478141), (101, 6367526), (106, 6067171), (127, 5063938), (202, 3183763), (254, 2531969), (473, 1359662), (583, 1103122), (946, 679831), (1111, 578866), (1166, 551561), (1397, 460358), (2222, 289433), (2279, 282194), (2794, 230179), (4343, 148082), (4558, 141097), (5353, 120142), (5461, 117766), (6731, 95546), (8686, 74041), (10706, 60071), (10922, 58883), (12827, 50138), (13462, 47773), (25069, 25654)]