90617888

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1061}}^1$

素因数の和:1245

約数の個数: 48

約数和(自身を含む): 190280664

約数和(自身を除く): 99662776

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 157, 272, 314, 544, 628, 1061, 1256, 2122, 2512, 2669, 4244, 5024, 5338, 8488, 10676, 16976, 18037, 21352, 33952, 36074, 42704, 72148, 85408, 144296, 166577, 288592, 333154, 577184, 666308, 1332616, 2665232, 2831809, 5330464, 5663618, 11327236, 22654472, 45308944, 90617888]

約数ペア:

[(1, 90617888), (2, 45308944), (4, 22654472), (8, 11327236), (16, 5663618), (17, 5330464), (32, 2831809), (34, 2665232), (68, 1332616), (136, 666308), (157, 577184), (272, 333154), (314, 288592), (544, 166577), (628, 144296), (1061, 85408), (1256, 72148), (2122, 42704), (2512, 36074), (2669, 33952), (4244, 21352), (5024, 18037), (5338, 16976), (8488, 10676)]