155761487

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 193797120

約数和(自身を除く): 38035633

約数列:

[1, 7, 19, 61, 73, 133, 263, 427, 511, 1159, 1387, 1841, 4453, 4997, 8113, 9709, 16043, 19199, 31171, 34979, 84607, 112301, 134393, 304817, 364781, 592249, 1171139, 2133719, 2553467, 8197973, 22251641, 155761487]

約数ペア:

[(1, 155761487), (7, 22251641), (19, 8197973), (61, 2553467), (73, 2133719), (133, 1171139), (263, 592249), (427, 364781), (511, 304817), (1159, 134393), (1387, 112301), (1841, 84607), (4453, 34979), (4997, 31171), (8113, 19199), (9709, 16043)]