81792564

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{1231}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 224155008

約数和(自身を除く): 142362444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 113, 147, 196, 226, 294, 339, 452, 588, 678, 791, 1231, 1356, 1582, 2373, 2462, 3164, 3693, 4746, 4924, 5537, 7386, 8617, 9492, 11074, 14772, 16611, 17234, 22148, 25851, 33222, 34468, 51702, 60319, 66444, 103404, 120638, 139103, 180957, 241276, 278206, 361914, 417309, 556412, 723828, 834618, 973721, 1669236, 1947442, 2921163, 3894884, 5842326, 6816047, 11684652, 13632094, 20448141, 27264188, 40896282, 81792564]

約数ペア:

[(1, 81792564), (2, 40896282), (3, 27264188), (4, 20448141), (6, 13632094), (7, 11684652), (12, 6816047), (14, 5842326), (21, 3894884), (28, 2921163), (42, 1947442), (49, 1669236), (84, 973721), (98, 834618), (113, 723828), (147, 556412), (196, 417309), (226, 361914), (294, 278206), (339, 241276), (452, 180957), (588, 139103), (678, 120638), (791, 103404), (1231, 66444), (1356, 60319), (1582, 51702), (2373, 34468), (2462, 33222), (3164, 25851), (3693, 22148), (4746, 17234), (4924, 16611), (5537, 14772), (7386, 11074), (8617, 9492)]