1286416

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 2671704

約数和(自身を除く): 1385288

約数列:

[1, 2, 4, 8, 16, 37, 41, 53, 74, 82, 106, 148, 164, 212, 296, 328, 424, 592, 656, 848, 1517, 1961, 2173, 3034, 3922, 4346, 6068, 7844, 8692, 12136, 15688, 17384, 24272, 31376, 34768, 80401, 160802, 321604, 643208, 1286416]

約数ペア:

[(1, 1286416), (2, 643208), (4, 321604), (8, 160802), (16, 80401), (37, 34768), (41, 31376), (53, 24272), (74, 17384), (82, 15688), (106, 12136), (148, 8692), (164, 7844), (212, 6068), (296, 4346), (328, 3922), (424, 3034), (592, 2173), (656, 1961), (848, 1517)]