211677778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{5381}}^1$

素因数の和:5502

約数の個数: 32

約数和(自身を含む): 366191280

約数和(自身を除く): 154513502

約数列:

[1, 2, 13, 17, 26, 34, 89, 178, 221, 442, 1157, 1513, 2314, 3026, 5381, 10762, 19669, 39338, 69953, 91477, 139906, 182954, 478909, 957818, 1189201, 2378402, 6225817, 8141453, 12451634, 16282906, 105838889, 211677778]

約数ペア:

[(1, 211677778), (2, 105838889), (13, 16282906), (17, 12451634), (26, 8141453), (34, 6225817), (89, 2378402), (178, 1189201), (221, 957818), (442, 478909), (1157, 182954), (1513, 139906), (2314, 91477), (3026, 69953), (5381, 39338), (10762, 19669)]