217468243

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 249384960

約数和(自身を除く): 31916717

約数列:

[1, 19, 23, 43, 71, 163, 437, 817, 989, 1349, 1633, 3053, 3097, 3749, 7009, 11573, 18791, 31027, 58007, 70219, 71231, 133171, 161207, 219887, 266179, 497639, 1334161, 3062933, 5057401, 9455141, 11445697, 217468243]

約数ペア:

[(1, 217468243), (19, 11445697), (23, 9455141), (43, 5057401), (71, 3062933), (163, 1334161), (437, 497639), (817, 266179), (989, 219887), (1349, 161207), (1633, 133171), (3053, 71231), (3097, 70219), (3749, 58007), (7009, 31027), (11573, 18791)]