840172

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 1552320

約数和(自身を除く): 712148

約数列:

[1, 2, 4, 41, 47, 82, 94, 109, 164, 188, 218, 436, 1927, 3854, 4469, 5123, 7708, 8938, 10246, 17876, 20492, 210043, 420086, 840172]

約数ペア:

[(1, 840172), (2, 420086), (4, 210043), (41, 20492), (47, 17876), (82, 10246), (94, 8938), (109, 7708), (164, 5123), (188, 4469), (218, 3854), (436, 1927)]