818128272

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1311103}}^1$

素因数の和:1311127

約数の個数: 40

約数和(自身を含む): 2276076544

約数和(自身を除く): 1457948272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1311103, 2622206, 3933309, 5244412, 7866618, 10488824, 15733236, 17044339, 20977648, 31466472, 34088678, 51133017, 62932944, 68177356, 102266034, 136354712, 204532068, 272709424, 409064136, 818128272]

約数ペア:

[(1, 818128272), (2, 409064136), (3, 272709424), (4, 204532068), (6, 136354712), (8, 102266034), (12, 68177356), (13, 62932944), (16, 51133017), (24, 34088678), (26, 31466472), (39, 20977648), (48, 17044339), (52, 15733236), (78, 10488824), (104, 7866618), (156, 5244412), (208, 3933309), (312, 2622206), (624, 1311103)]