406768804

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{6761}}^1$

素因数の和:6880

約数の個数: 36

約数和(自身を含む): 779590980

約数和(自身を除く): 372822176

約数列:

[1, 2, 4, 13, 26, 52, 89, 169, 178, 338, 356, 676, 1157, 2314, 4628, 6761, 13522, 15041, 27044, 30082, 60164, 87893, 175786, 351572, 601729, 1142609, 1203458, 2285218, 2406916, 4570436, 7822477, 15644954, 31289908, 101692201, 203384402, 406768804]

約数ペア:

[(1, 406768804), (2, 203384402), (4, 101692201), (13, 31289908), (26, 15644954), (52, 7822477), (89, 4570436), (169, 2406916), (178, 2285218), (338, 1203458), (356, 1142609), (676, 601729), (1157, 351572), (2314, 175786), (4628, 87893), (6761, 60164), (13522, 30082), (15041, 27044)]