2045576

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 4446900

約数和(自身を除く): 2401324

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 89, 104, 136, 169, 178, 221, 338, 356, 442, 676, 712, 884, 1157, 1352, 1513, 1768, 2314, 2873, 3026, 4628, 5746, 6052, 9256, 11492, 12104, 15041, 19669, 22984, 30082, 39338, 60164, 78676, 120328, 157352, 255697, 511394, 1022788, 2045576]

約数ペア:

[(1, 2045576), (2, 1022788), (4, 511394), (8, 255697), (13, 157352), (17, 120328), (26, 78676), (34, 60164), (52, 39338), (68, 30082), (89, 22984), (104, 19669), (136, 15041), (169, 12104), (178, 11492), (221, 9256), (338, 6052), (356, 5746), (442, 4628), (676, 3026), (712, 2873), (884, 2314), (1157, 1768), (1352, 1513)]