91989950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1459}}^1$

素因数の和:1581

約数の個数: 48

約数和(自身を含む): 186290160

約数和(自身を除く): 94300210

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 130, 194, 325, 485, 650, 970, 1261, 1459, 2425, 2522, 2918, 4850, 6305, 7295, 12610, 14590, 18967, 31525, 36475, 37934, 63050, 72950, 94835, 141523, 189670, 283046, 474175, 707615, 948350, 1415230, 1839799, 3538075, 3679598, 7076150, 9198995, 18397990, 45994975, 91989950]

約数ペア:

[(1, 91989950), (2, 45994975), (5, 18397990), (10, 9198995), (13, 7076150), (25, 3679598), (26, 3538075), (50, 1839799), (65, 1415230), (97, 948350), (130, 707615), (194, 474175), (325, 283046), (485, 189670), (650, 141523), (970, 94835), (1261, 72950), (1459, 63050), (2425, 37934), (2522, 36475), (2918, 31525), (4850, 18967), (6305, 14590), (7295, 12610)]