258628136

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{233}}^1\times {\mathrm{821}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 527995260

約数和(自身を除く): 269367124

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 233, 338, 466, 676, 821, 932, 1352, 1642, 1864, 3029, 3284, 6058, 6568, 10673, 12116, 21346, 24232, 39377, 42692, 78754, 85384, 138749, 157508, 191293, 277498, 315016, 382586, 554996, 765172, 1109992, 1530344, 2486809, 4973618, 9947236, 19894472, 32328517, 64657034, 129314068, 258628136]

約数ペア:

[(1, 258628136), (2, 129314068), (4, 64657034), (8, 32328517), (13, 19894472), (26, 9947236), (52, 4973618), (104, 2486809), (169, 1530344), (233, 1109992), (338, 765172), (466, 554996), (676, 382586), (821, 315016), (932, 277498), (1352, 191293), (1642, 157508), (1864, 138749), (3029, 85384), (3284, 78754), (6058, 42692), (6568, 39377), (10673, 24232), (12116, 21346)]