2778880048

素因数分解:

$2^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{74959}}^1$

素因数の和:75305

約数の個数: 40

約数和(自身を含む): 6171906560

約数和(自身を除く): 3393026512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 331, 662, 1324, 2317, 2648, 4634, 5296, 9268, 18536, 37072, 74959, 149918, 299836, 524713, 599672, 1049426, 1199344, 2098852, 4197704, 8395408, 24811429, 49622858, 99245716, 173680003, 198491432, 347360006, 396982864, 694720012, 1389440024, 2778880048]

約数ペア:

[(1, 2778880048), (2, 1389440024), (4, 694720012), (7, 396982864), (8, 347360006), (14, 198491432), (16, 173680003), (28, 99245716), (56, 49622858), (112, 24811429), (331, 8395408), (662, 4197704), (1324, 2098852), (2317, 1199344), (2648, 1049426), (4634, 599672), (5296, 524713), (9268, 299836), (18536, 149918), (37072, 74959)]