81468481616

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{422239}}^1$

素因数の和:422667

約数の個数: 40

約数和(自身を含む): 163356211200

約数和(自身を除く): 81887729584

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 389, 496, 778, 1556, 3112, 6224, 12059, 24118, 48236, 96472, 192944, 422239, 844478, 1688956, 3377912, 6755824, 13089409, 26178818, 52357636, 104715272, 164250971, 209430544, 328501942, 657003884, 1314007768, 2628015536, 5091780101, 10183560202, 20367120404, 40734240808, 81468481616]

約数ペア:

[(1, 81468481616), (2, 40734240808), (4, 20367120404), (8, 10183560202), (16, 5091780101), (31, 2628015536), (62, 1314007768), (124, 657003884), (248, 328501942), (389, 209430544), (496, 164250971), (778, 104715272), (1556, 52357636), (3112, 26178818), (6224, 13089409), (12059, 6755824), (24118, 3377912), (48236, 1688956), (96472, 844478), (192944, 422239)]