171855892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 333268992

約数和(自身を除く): 161413100

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 127, 212, 254, 491, 508, 689, 982, 1378, 1651, 1964, 2756, 3302, 6383, 6604, 6731, 12766, 13462, 25532, 26023, 26924, 52046, 62357, 87503, 104092, 124714, 175006, 249428, 338299, 350012, 676598, 810641, 1353196, 1621282, 3242564, 3304921, 6609842, 13219684, 42963973, 85927946, 171855892]

約数ペア:

[(1, 171855892), (2, 85927946), (4, 42963973), (13, 13219684), (26, 6609842), (52, 3304921), (53, 3242564), (106, 1621282), (127, 1353196), (212, 810641), (254, 676598), (491, 350012), (508, 338299), (689, 249428), (982, 175006), (1378, 124714), (1651, 104092), (1964, 87503), (2756, 62357), (3302, 52046), (6383, 26924), (6604, 26023), (6731, 25532), (12766, 13462)]