28045948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 58777600

約数和(自身を除く): 30731652

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 316, 409, 434, 553, 818, 868, 1106, 1636, 2212, 2449, 2863, 4898, 5726, 9796, 11452, 12679, 17143, 25358, 32311, 34286, 50716, 64622, 68572, 88753, 129244, 177506, 226177, 355012, 452354, 904708, 1001641, 2003282, 4006564, 7011487, 14022974, 28045948]

約数ペア:

[(1, 28045948), (2, 14022974), (4, 7011487), (7, 4006564), (14, 2003282), (28, 1001641), (31, 904708), (62, 452354), (79, 355012), (124, 226177), (158, 177506), (217, 129244), (316, 88753), (409, 68572), (434, 64622), (553, 50716), (818, 34286), (868, 32311), (1106, 25358), (1636, 17143), (2212, 12679), (2449, 11452), (2863, 9796), (4898, 5726)]