1990768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 4405968

約数和(自身を除く): 2415200

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 563, 884, 1126, 1768, 2252, 3536, 4504, 7319, 9008, 9571, 14638, 19142, 29276, 38284, 58552, 76568, 117104, 124423, 153136, 248846, 497692, 995384, 1990768]

約数ペア:

[(1, 1990768), (2, 995384), (4, 497692), (8, 248846), (13, 153136), (16, 124423), (17, 117104), (26, 76568), (34, 58552), (52, 38284), (68, 29276), (104, 19142), (136, 14638), (208, 9571), (221, 9008), (272, 7319), (442, 4504), (563, 3536), (884, 2252), (1126, 1768)]