427836890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{106163}}^1$

素因数の和:106214

約数の個数: 32

約数和(自身を含む): 856106496

約数和(自身を除く): 428269606

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 106163, 212326, 530815, 1061630, 1380119, 2760238, 3291053, 6582106, 6900595, 13801190, 16455265, 32910530, 42783689, 85567378, 213918445, 427836890]

約数ペア:

[(1, 427836890), (2, 213918445), (5, 85567378), (10, 42783689), (13, 32910530), (26, 16455265), (31, 13801190), (62, 6900595), (65, 6582106), (130, 3291053), (155, 2760238), (310, 1380119), (403, 1061630), (806, 530815), (2015, 212326), (4030, 106163)]