31778316

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 84630000

約数和(自身を除く): 52851684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 61, 87, 116, 122, 174, 183, 244, 261, 348, 366, 499, 522, 549, 732, 998, 1044, 1098, 1497, 1769, 1996, 2196, 2994, 3538, 4491, 5307, 5988, 7076, 8982, 10614, 14471, 15921, 17964, 21228, 28942, 30439, 31842, 43413, 57884, 60878, 63684, 86826, 91317, 121756, 130239, 173652, 182634, 260478, 273951, 365268, 520956, 547902, 882731, 1095804, 1765462, 2648193, 3530924, 5296386, 7944579, 10592772, 15889158, 31778316]

約数ペア:

[(1, 31778316), (2, 15889158), (3, 10592772), (4, 7944579), (6, 5296386), (9, 3530924), (12, 2648193), (18, 1765462), (29, 1095804), (36, 882731), (58, 547902), (61, 520956), (87, 365268), (116, 273951), (122, 260478), (174, 182634), (183, 173652), (244, 130239), (261, 121756), (348, 91317), (366, 86826), (499, 63684), (522, 60878), (549, 57884), (732, 43413), (998, 31842), (1044, 30439), (1098, 28942), (1497, 21228), (1769, 17964), (1996, 15921), (2196, 14471), (2994, 10614), (3538, 8982), (4491, 7076), (5307, 5988)]