204512984

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{331}}^1\times {\mathrm{457}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 417393720

約数和(自身を除く): 212880736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 331, 338, 457, 662, 676, 914, 1324, 1352, 1828, 2648, 3656, 4303, 5941, 8606, 11882, 17212, 23764, 34424, 47528, 55939, 77233, 111878, 151267, 154466, 223756, 302534, 308932, 447512, 605068, 617864, 1210136, 1966471, 3932942, 7865884, 15731768, 25564123, 51128246, 102256492, 204512984]

約数ペア:

[(1, 204512984), (2, 102256492), (4, 51128246), (8, 25564123), (13, 15731768), (26, 7865884), (52, 3932942), (104, 1966471), (169, 1210136), (331, 617864), (338, 605068), (457, 447512), (662, 308932), (676, 302534), (914, 223756), (1324, 154466), (1352, 151267), (1828, 111878), (2648, 77233), (3656, 55939), (4303, 47528), (5941, 34424), (8606, 23764), (11882, 17212)]