156970918

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 268157952

約数和(自身を除く): 111187034

約数列:

[1, 2, 13, 26, 31, 62, 71, 142, 169, 211, 338, 403, 422, 806, 923, 1846, 2201, 2743, 4402, 5239, 5486, 6541, 10478, 11999, 13082, 14981, 23998, 28613, 29962, 35659, 57226, 71318, 85033, 170066, 194753, 371969, 389506, 464411, 743938, 928822, 1105429, 2210858, 2531789, 5063578, 6037343, 12074686, 78485459, 156970918]

約数ペア:

[(1, 156970918), (2, 78485459), (13, 12074686), (26, 6037343), (31, 5063578), (62, 2531789), (71, 2210858), (142, 1105429), (169, 928822), (211, 743938), (338, 464411), (403, 389506), (422, 371969), (806, 194753), (923, 170066), (1846, 85033), (2201, 71318), (2743, 57226), (4402, 35659), (5239, 29962), (5486, 28613), (6541, 23998), (10478, 14981), (11999, 13082)]