128973832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{72949}}^1$

素因数の和:72985

約数の個数: 32

約数和(自身を含む): 275751000

約数和(自身を除く): 146777168

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 72949, 145898, 291796, 583592, 948337, 1240133, 1896674, 2480266, 3793348, 4960532, 7586696, 9921064, 16121729, 32243458, 64486916, 128973832]

約数ペア:

[(1, 128973832), (2, 64486916), (4, 32243458), (8, 16121729), (13, 9921064), (17, 7586696), (26, 4960532), (34, 3793348), (52, 2480266), (68, 1896674), (104, 1240133), (136, 948337), (221, 583592), (442, 291796), (884, 145898), (1768, 72949)]