257421265924

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{98327}}^1$

素因数の和:98896

約数の個数: 48

約数和(自身を含む): 476807417856

約数和(自身を除く): 219386151932

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 172, 491, 982, 1333, 1964, 2666, 5332, 15221, 21113, 30442, 42226, 60884, 84452, 98327, 196654, 393308, 654503, 1309006, 2618012, 3048137, 4228061, 6096274, 8456122, 12192548, 16912244, 48278557, 96557114, 131069891, 193114228, 262139782, 524279564, 1496635267, 2075977951, 2993270534, 4151955902, 5986541068, 8303911804, 64355316481, 128710632962, 257421265924]

約数ペア:

[(1, 257421265924), (2, 128710632962), (4, 64355316481), (31, 8303911804), (43, 5986541068), (62, 4151955902), (86, 2993270534), (124, 2075977951), (172, 1496635267), (491, 524279564), (982, 262139782), (1333, 193114228), (1964, 131069891), (2666, 96557114), (5332, 48278557), (15221, 16912244), (21113, 12192548), (30442, 8456122), (42226, 6096274), (60884, 4228061), (84452, 3048137), (98327, 2618012), (196654, 1309006), (393308, 654503)]