278301452

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{4021}}^1$

素因数の和:4071

約数の個数: 48

約数和(自身を含む): 577044384

約数和(自身を除く): 298742932

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1331, 1573, 2662, 3146, 4021, 5324, 6292, 8042, 16084, 17303, 34606, 44231, 52273, 69212, 88462, 104546, 176924, 209092, 486541, 575003, 973082, 1150006, 1946164, 2300012, 5351951, 6325033, 10703902, 12650066, 21407804, 25300132, 69575363, 139150726, 278301452]

約数ペア:

[(1, 278301452), (2, 139150726), (4, 69575363), (11, 25300132), (13, 21407804), (22, 12650066), (26, 10703902), (44, 6325033), (52, 5351951), (121, 2300012), (143, 1946164), (242, 1150006), (286, 973082), (484, 575003), (572, 486541), (1331, 209092), (1573, 176924), (2662, 104546), (3146, 88462), (4021, 69212), (5324, 52273), (6292, 44231), (8042, 34606), (16084, 17303)]