28856782

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 47318400

約数和(自身を除く): 18461618

約数列:

[1, 2, 19, 38, 59, 61, 118, 122, 211, 422, 1121, 1159, 2242, 2318, 3599, 4009, 7198, 8018, 12449, 12871, 24898, 25742, 68381, 136762, 236531, 244549, 473062, 489098, 759389, 1518778, 14428391, 28856782]

約数ペア:

[(1, 28856782), (2, 14428391), (19, 1518778), (38, 759389), (59, 489098), (61, 473062), (118, 244549), (122, 236531), (211, 136762), (422, 68381), (1121, 25742), (1159, 24898), (2242, 12871), (2318, 12449), (3599, 8018), (4009, 7198)]