39975156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{373}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 109589480

約数和(自身を除く): 69614324

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 229, 234, 373, 458, 468, 687, 746, 916, 1119, 1374, 1492, 2061, 2238, 2748, 2977, 3357, 4122, 4476, 4849, 5954, 6714, 8244, 8931, 9698, 11908, 13428, 14547, 17862, 19396, 26793, 29094, 35724, 43641, 53586, 58188, 85417, 87282, 107172, 170834, 174564, 256251, 341668, 512502, 768753, 1025004, 1110421, 1537506, 2220842, 3075012, 3331263, 4441684, 6662526, 9993789, 13325052, 19987578, 39975156]

約数ペア:

[(1, 39975156), (2, 19987578), (3, 13325052), (4, 9993789), (6, 6662526), (9, 4441684), (12, 3331263), (13, 3075012), (18, 2220842), (26, 1537506), (36, 1110421), (39, 1025004), (52, 768753), (78, 512502), (117, 341668), (156, 256251), (229, 174564), (234, 170834), (373, 107172), (458, 87282), (468, 85417), (687, 58188), (746, 53586), (916, 43641), (1119, 35724), (1374, 29094), (1492, 26793), (2061, 19396), (2238, 17862), (2748, 14547), (2977, 13428), (3357, 11908), (4122, 9698), (4476, 8931), (4849, 8244), (5954, 6714)]