81519828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 220993920

約数和(自身を除く): 139474092

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 59, 68, 78, 102, 118, 156, 177, 204, 221, 236, 354, 442, 521, 663, 708, 767, 884, 1003, 1042, 1326, 1534, 1563, 2006, 2084, 2301, 2652, 3009, 3068, 3126, 4012, 4602, 6018, 6252, 6773, 8857, 9204, 12036, 13039, 13546, 17714, 20319, 26078, 26571, 27092, 30739, 35428, 39117, 40638, 52156, 53142, 61478, 78234, 81276, 92217, 106284, 115141, 122956, 156468, 184434, 230282, 345423, 368868, 399607, 460564, 522563, 690846, 799214, 1045126, 1198821, 1381692, 1567689, 1598428, 2090252, 2397642, 3135378, 4795284, 6270756, 6793319, 13586638, 20379957, 27173276, 40759914, 81519828]

約数ペア:

[(1, 81519828), (2, 40759914), (3, 27173276), (4, 20379957), (6, 13586638), (12, 6793319), (13, 6270756), (17, 4795284), (26, 3135378), (34, 2397642), (39, 2090252), (51, 1598428), (52, 1567689), (59, 1381692), (68, 1198821), (78, 1045126), (102, 799214), (118, 690846), (156, 522563), (177, 460564), (204, 399607), (221, 368868), (236, 345423), (354, 230282), (442, 184434), (521, 156468), (663, 122956), (708, 115141), (767, 106284), (884, 92217), (1003, 81276), (1042, 78234), (1326, 61478), (1534, 53142), (1563, 52156), (2006, 40638), (2084, 39117), (2301, 35428), (2652, 30739), (3009, 27092), (3068, 26571), (3126, 26078), (4012, 20319), (4602, 17714), (6018, 13546), (6252, 13039), (6773, 12036), (8857, 9204)]