209964248

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{155299}}^1$

素因数の和:155331

約数の個数: 24

約数和(自身を含む): 426298500

約数和(自身を除く): 216334252

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 155299, 310598, 621196, 1242392, 2018887, 4037774, 8075548, 16151096, 26245531, 52491062, 104982124, 209964248]

約数ペア:

[(1, 209964248), (2, 104982124), (4, 52491062), (8, 26245531), (13, 16151096), (26, 8075548), (52, 4037774), (104, 2018887), (169, 1242392), (338, 621196), (676, 310598), (1352, 155299)]