290400016

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{1277}}^1$

素因数の和:1579

約数の個数: 40

約数和(自身を含む): 574777944

約数和(自身を除く): 284377928

約数列:

[1, 2, 4, 8, 16, 61, 122, 233, 244, 466, 488, 932, 976, 1277, 1864, 2554, 3728, 5108, 10216, 14213, 20432, 28426, 56852, 77897, 113704, 155794, 227408, 297541, 311588, 595082, 623176, 1190164, 1246352, 2380328, 4760656, 18150001, 36300002, 72600004, 145200008, 290400016]

約数ペア:

[(1, 290400016), (2, 145200008), (4, 72600004), (8, 36300002), (16, 18150001), (61, 4760656), (122, 2380328), (233, 1246352), (244, 1190164), (466, 623176), (488, 595082), (932, 311588), (976, 297541), (1277, 227408), (1864, 155794), (2554, 113704), (3728, 77897), (5108, 56852), (10216, 28426), (14213, 20432)]