12840402

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 26528832

約数和(自身を除く): 13688430

約数列:

[1, 2, 3, 6, 43, 86, 129, 157, 258, 314, 317, 471, 634, 942, 951, 1902, 6751, 13502, 13631, 20253, 27262, 40506, 40893, 49769, 81786, 99538, 149307, 298614, 2140067, 4280134, 6420201, 12840402]

約数ペア:

[(1, 12840402), (2, 6420201), (3, 4280134), (6, 2140067), (43, 298614), (86, 149307), (129, 99538), (157, 81786), (258, 49769), (314, 40893), (317, 40506), (471, 27262), (634, 20253), (942, 13631), (951, 13502), (1902, 6751)]