71815848

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 203575680

約数和(自身を除く): 131759832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 53, 78, 86, 101, 104, 106, 129, 156, 159, 172, 202, 212, 258, 303, 312, 318, 344, 404, 424, 516, 559, 606, 636, 689, 808, 1032, 1118, 1212, 1272, 1313, 1378, 1677, 2067, 2236, 2279, 2424, 2626, 2756, 3354, 3939, 4134, 4343, 4472, 4558, 5252, 5353, 5512, 6708, 6837, 7878, 8268, 8686, 9116, 10504, 10706, 13029, 13416, 13674, 15756, 16059, 16536, 17372, 18232, 21412, 26058, 27348, 29627, 31512, 32118, 34744, 42824, 52116, 54696, 56459, 59254, 64236, 69589, 88881, 104232, 112918, 118508, 128472, 139178, 169377, 177762, 208767, 225836, 230179, 237016, 278356, 338754, 355524, 417534, 451672, 460358, 556712, 677508, 690537, 711048, 835068, 920716, 1355016, 1381074, 1670136, 1841432, 2762148, 2992327, 5524296, 5984654, 8976981, 11969308, 17953962, 23938616, 35907924, 71815848]

約数ペア:

[(1, 71815848), (2, 35907924), (3, 23938616), (4, 17953962), (6, 11969308), (8, 8976981), (12, 5984654), (13, 5524296), (24, 2992327), (26, 2762148), (39, 1841432), (43, 1670136), (52, 1381074), (53, 1355016), (78, 920716), (86, 835068), (101, 711048), (104, 690537), (106, 677508), (129, 556712), (156, 460358), (159, 451672), (172, 417534), (202, 355524), (212, 338754), (258, 278356), (303, 237016), (312, 230179), (318, 225836), (344, 208767), (404, 177762), (424, 169377), (516, 139178), (559, 128472), (606, 118508), (636, 112918), (689, 104232), (808, 88881), (1032, 69589), (1118, 64236), (1212, 59254), (1272, 56459), (1313, 54696), (1378, 52116), (1677, 42824), (2067, 34744), (2236, 32118), (2279, 31512), (2424, 29627), (2626, 27348), (2756, 26058), (3354, 21412), (3939, 18232), (4134, 17372), (4343, 16536), (4472, 16059), (4558, 15756), (5252, 13674), (5353, 13416), (5512, 13029), (6708, 10706), (6837, 10504), (7878, 9116), (8268, 8686)]