321721968

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{216211}}^1$

素因数の和:216253

約数の個数: 40

約数和(自身を含む): 857929216

約数和(自身を除く): 536207248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 216211, 432422, 648633, 864844, 1297266, 1729688, 2594532, 3459376, 5189064, 6702541, 10378128, 13405082, 20107623, 26810164, 40215246, 53620328, 80430492, 107240656, 160860984, 321721968]

約数ペア:

[(1, 321721968), (2, 160860984), (3, 107240656), (4, 80430492), (6, 53620328), (8, 40215246), (12, 26810164), (16, 20107623), (24, 13405082), (31, 10378128), (48, 6702541), (62, 5189064), (93, 3459376), (124, 2594532), (186, 1729688), (248, 1297266), (372, 864844), (496, 648633), (744, 432422), (1488, 216211)]