509392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 1111040

約数和(自身を除く): 601648

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 79, 104, 124, 158, 208, 248, 316, 403, 496, 632, 806, 1027, 1264, 1612, 2054, 2449, 3224, 4108, 4898, 6448, 8216, 9796, 16432, 19592, 31837, 39184, 63674, 127348, 254696, 509392]

約数ペア:

[(1, 509392), (2, 254696), (4, 127348), (8, 63674), (13, 39184), (16, 31837), (26, 19592), (31, 16432), (52, 9796), (62, 8216), (79, 6448), (104, 4898), (124, 4108), (158, 3224), (208, 2449), (248, 2054), (316, 1612), (403, 1264), (496, 1027), (632, 806)]