1639926

素因数分解:

$2^1\times 3^4\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 40

約数和(自身を含む): 3763584

約数和(自身を除く): 2123658

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 191, 318, 382, 477, 573, 954, 1146, 1431, 1719, 2862, 3438, 4293, 5157, 8586, 10123, 10314, 15471, 20246, 30369, 30942, 60738, 91107, 182214, 273321, 546642, 819963, 1639926]

約数ペア:

[(1, 1639926), (2, 819963), (3, 546642), (6, 273321), (9, 182214), (18, 91107), (27, 60738), (53, 30942), (54, 30369), (81, 20246), (106, 15471), (159, 10314), (162, 10123), (191, 8586), (318, 5157), (382, 4293), (477, 3438), (573, 2862), (954, 1719), (1146, 1431)]