259677976

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{1327}}^1$

素因数の和:1795

約数の個数: 32

約数和(自身を含む): 496486080

約数和(自身を除く): 236808104

約数列:

[1, 2, 4, 8, 61, 122, 244, 401, 488, 802, 1327, 1604, 2654, 3208, 5308, 10616, 24461, 48922, 80947, 97844, 161894, 195688, 323788, 532127, 647576, 1064254, 2128508, 4257016, 32459747, 64919494, 129838988, 259677976]

約数ペア:

[(1, 259677976), (2, 129838988), (4, 64919494), (8, 32459747), (61, 4257016), (122, 2128508), (244, 1064254), (401, 647576), (488, 532127), (802, 323788), (1327, 195688), (1604, 161894), (2654, 97844), (3208, 80947), (5308, 48922), (10616, 24461)]