257742732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{1993}}^1$

素因数の和:2842

約数の個数: 48

約数和(自身を含む): 648767840

約数和(自身を除く): 391025108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 829, 1658, 1993, 2487, 3316, 3986, 4974, 5979, 7972, 9948, 10777, 11958, 21554, 23916, 25909, 32331, 43108, 51818, 64662, 77727, 103636, 129324, 155454, 310908, 1652197, 3304394, 4956591, 6608788, 9913182, 19826364, 21478561, 42957122, 64435683, 85914244, 128871366, 257742732]

約数ペア:

[(1, 257742732), (2, 128871366), (3, 85914244), (4, 64435683), (6, 42957122), (12, 21478561), (13, 19826364), (26, 9913182), (39, 6608788), (52, 4956591), (78, 3304394), (156, 1652197), (829, 310908), (1658, 155454), (1993, 129324), (2487, 103636), (3316, 77727), (3986, 64662), (4974, 51818), (5979, 43108), (7972, 32331), (9948, 25909), (10777, 23916), (11958, 21554)]