25371764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 53625600

約数和(自身を除く): 28253836

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 89, 121, 124, 178, 209, 242, 341, 356, 418, 484, 589, 682, 836, 979, 1178, 1364, 1691, 1958, 2299, 2356, 2759, 3382, 3751, 3916, 4598, 5518, 6479, 6764, 7502, 9196, 10769, 11036, 12958, 15004, 18601, 21538, 25916, 30349, 37202, 43076, 52421, 60698, 71269, 74404, 104842, 121396, 142538, 204611, 209684, 285076, 333839, 409222, 576631, 667678, 818444, 1153262, 1335356, 2306524, 6342941, 12685882, 25371764]

約数ペア:

[(1, 25371764), (2, 12685882), (4, 6342941), (11, 2306524), (19, 1335356), (22, 1153262), (31, 818444), (38, 667678), (44, 576631), (62, 409222), (76, 333839), (89, 285076), (121, 209684), (124, 204611), (178, 142538), (209, 121396), (242, 104842), (341, 74404), (356, 71269), (418, 60698), (484, 52421), (589, 43076), (682, 37202), (836, 30349), (979, 25916), (1178, 21538), (1364, 18601), (1691, 15004), (1958, 12958), (2299, 11036), (2356, 10769), (2759, 9196), (3382, 7502), (3751, 6764), (3916, 6479), (4598, 5518)]