1561931404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5479}}^1$

素因数の和:5555

約数の個数: 72

約数和(自身を含む): 3265203200

約数和(自身を除く): 1703271796

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 121, 124, 209, 242, 341, 418, 484, 589, 682, 836, 1178, 1364, 2299, 2356, 3751, 4598, 5479, 6479, 7502, 9196, 10958, 12958, 15004, 21916, 25916, 60269, 71269, 104101, 120538, 142538, 169849, 208202, 241076, 285076, 339698, 416404, 662959, 679396, 1145111, 1325918, 1868339, 2290222, 2651836, 3227131, 3736678, 4580444, 6454262, 7473356, 12596221, 12908524, 20551729, 25192442, 35498441, 41103458, 50384884, 70996882, 82206916, 141993764, 390482851, 780965702, 1561931404]

約数ペア:

[(1, 1561931404), (2, 780965702), (4, 390482851), (11, 141993764), (19, 82206916), (22, 70996882), (31, 50384884), (38, 41103458), (44, 35498441), (62, 25192442), (76, 20551729), (121, 12908524), (124, 12596221), (209, 7473356), (242, 6454262), (341, 4580444), (418, 3736678), (484, 3227131), (589, 2651836), (682, 2290222), (836, 1868339), (1178, 1325918), (1364, 1145111), (2299, 679396), (2356, 662959), (3751, 416404), (4598, 339698), (5479, 285076), (6479, 241076), (7502, 208202), (9196, 169849), (10958, 142538), (12958, 120538), (15004, 104101), (21916, 71269), (25916, 60269)]