81914672

素因数分解:

$2^4\times 7^2\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:826

約数の個数: 60

約数和(自身を含む): 186043896

約数和(自身を除く): 104129224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 163, 196, 326, 392, 641, 652, 784, 1141, 1282, 1304, 2282, 2564, 2608, 4487, 4564, 5128, 7987, 8974, 9128, 10256, 15974, 17948, 18256, 31409, 31948, 35896, 62818, 63896, 71792, 104483, 125636, 127792, 208966, 251272, 417932, 502544, 731381, 835864, 1462762, 1671728, 2925524, 5119667, 5851048, 10239334, 11702096, 20478668, 40957336, 81914672]

約数ペア:

[(1, 81914672), (2, 40957336), (4, 20478668), (7, 11702096), (8, 10239334), (14, 5851048), (16, 5119667), (28, 2925524), (49, 1671728), (56, 1462762), (98, 835864), (112, 731381), (163, 502544), (196, 417932), (326, 251272), (392, 208966), (641, 127792), (652, 125636), (784, 104483), (1141, 71792), (1282, 63896), (1304, 62818), (2282, 35896), (2564, 31948), (2608, 31409), (4487, 18256), (4564, 17948), (5128, 15974), (7987, 10256), (8974, 9128)]