28238988

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 67465440

約数和(自身を除く): 39226452

約数列:

[1, 2, 3, 4, 6, 12, 89, 137, 178, 193, 267, 274, 356, 386, 411, 534, 548, 579, 772, 822, 1068, 1158, 1644, 2316, 12193, 17177, 24386, 26441, 34354, 36579, 48772, 51531, 52882, 68708, 73158, 79323, 103062, 105764, 146316, 158646, 206124, 317292, 2353249, 4706498, 7059747, 9412996, 14119494, 28238988]

約数ペア:

[(1, 28238988), (2, 14119494), (3, 9412996), (4, 7059747), (6, 4706498), (12, 2353249), (89, 317292), (137, 206124), (178, 158646), (193, 146316), (267, 105764), (274, 103062), (356, 79323), (386, 73158), (411, 68708), (534, 52882), (548, 51531), (579, 48772), (772, 36579), (822, 34354), (1068, 26441), (1158, 24386), (1644, 17177), (2316, 12193)]