221117668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 424345600

約数和(自身を除く): 203227932

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 127, 254, 508, 589, 739, 1178, 1478, 2356, 2413, 2956, 3937, 4826, 7874, 9652, 14041, 15748, 22909, 28082, 45818, 56164, 74803, 91636, 93853, 149606, 187706, 299212, 375412, 435271, 870542, 1741084, 1783207, 2909443, 3566414, 5818886, 7132828, 11637772, 55279417, 110558834, 221117668]

約数ペア:

[(1, 221117668), (2, 110558834), (4, 55279417), (19, 11637772), (31, 7132828), (38, 5818886), (62, 3566414), (76, 2909443), (124, 1783207), (127, 1741084), (254, 870542), (508, 435271), (589, 375412), (739, 299212), (1178, 187706), (1478, 149606), (2356, 93853), (2413, 91636), (2956, 74803), (3937, 56164), (4826, 45818), (7874, 28082), (9652, 22909), (14041, 15748)]