31219956

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 84389760

約数和(自身を除く): 53169804

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 139, 153, 204, 278, 306, 367, 417, 556, 612, 734, 834, 1101, 1251, 1468, 1668, 2202, 2363, 2502, 3303, 4404, 4726, 5004, 6239, 6606, 7089, 9452, 12478, 13212, 14178, 18717, 21267, 24956, 28356, 37434, 42534, 51013, 56151, 74868, 85068, 102026, 112302, 153039, 204052, 224604, 306078, 459117, 612156, 867221, 918234, 1734442, 1836468, 2601663, 3468884, 5203326, 7804989, 10406652, 15609978, 31219956]

約数ペア:

[(1, 31219956), (2, 15609978), (3, 10406652), (4, 7804989), (6, 5203326), (9, 3468884), (12, 2601663), (17, 1836468), (18, 1734442), (34, 918234), (36, 867221), (51, 612156), (68, 459117), (102, 306078), (139, 224604), (153, 204052), (204, 153039), (278, 112302), (306, 102026), (367, 85068), (417, 74868), (556, 56151), (612, 51013), (734, 42534), (834, 37434), (1101, 28356), (1251, 24956), (1468, 21267), (1668, 18717), (2202, 14178), (2363, 13212), (2502, 12478), (3303, 9452), (4404, 7089), (4726, 6606), (5004, 6239)]