25680804

素因数分解:

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

素因数の和:524

約数の個数: 48

約数和(自身を含む): 61900608

約数和(自身を除く): 36219804

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 157, 172, 258, 314, 317, 471, 516, 628, 634, 942, 951, 1268, 1884, 1902, 3804, 6751, 13502, 13631, 20253, 27004, 27262, 40506, 40893, 49769, 54524, 81012, 81786, 99538, 149307, 163572, 199076, 298614, 597228, 2140067, 4280134, 6420201, 8560268, 12840402, 25680804]

約数ペア:

[(1, 25680804), (2, 12840402), (3, 8560268), (4, 6420201), (6, 4280134), (12, 2140067), (43, 597228), (86, 298614), (129, 199076), (157, 163572), (172, 149307), (258, 99538), (314, 81786), (317, 81012), (471, 54524), (516, 49769), (628, 40893), (634, 40506), (942, 27262), (951, 27004), (1268, 20253), (1884, 13631), (1902, 13502), (3804, 6751)]