257898888

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{727}}^1$

素因数の和:1131

約数の個数: 96

約数和(自身を含む): 755227200

約数和(自身を除く): 497328312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 379, 468, 727, 758, 936, 1137, 1454, 1516, 2181, 2274, 2908, 3032, 3411, 4362, 4548, 4927, 5816, 6543, 6822, 8724, 9096, 9451, 9854, 13086, 13644, 14781, 17448, 18902, 19708, 26172, 27288, 28353, 29562, 37804, 39416, 44343, 52344, 56706, 59124, 75608, 85059, 88686, 113412, 118248, 170118, 177372, 226824, 275533, 340236, 354744, 551066, 680472, 826599, 1102132, 1653198, 2204264, 2479797, 3306396, 3581929, 4959594, 6612792, 7163858, 9919188, 10745787, 14327716, 19838376, 21491574, 28655432, 32237361, 42983148, 64474722, 85966296, 128949444, 257898888]

約数ペア:

[(1, 257898888), (2, 128949444), (3, 85966296), (4, 64474722), (6, 42983148), (8, 32237361), (9, 28655432), (12, 21491574), (13, 19838376), (18, 14327716), (24, 10745787), (26, 9919188), (36, 7163858), (39, 6612792), (52, 4959594), (72, 3581929), (78, 3306396), (104, 2479797), (117, 2204264), (156, 1653198), (234, 1102132), (312, 826599), (379, 680472), (468, 551066), (727, 354744), (758, 340236), (936, 275533), (1137, 226824), (1454, 177372), (1516, 170118), (2181, 118248), (2274, 113412), (2908, 88686), (3032, 85059), (3411, 75608), (4362, 59124), (4548, 56706), (4927, 52344), (5816, 44343), (6543, 39416), (6822, 37804), (8724, 29562), (9096, 28353), (9451, 27288), (9854, 26172), (13086, 19708), (13644, 18902), (14781, 17448)]