12254996975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1759}}^1$

素因数の和:1909

約数の個数: 72

約数和(自身を含む): 17612622720

約数和(自身を除く): 5357625745

約数列:

[1, 5, 13, 17, 25, 65, 85, 97, 169, 221, 325, 425, 485, 845, 1105, 1261, 1649, 1759, 2425, 2873, 4225, 5525, 6305, 8245, 8795, 14365, 16393, 21437, 22867, 29903, 31525, 41225, 43975, 71825, 81965, 107185, 114335, 149515, 170623, 278681, 297271, 388739, 409825, 535925, 571675, 747575, 853115, 1393405, 1486355, 1943695, 2218099, 2900591, 4265575, 5053607, 6967025, 7431775, 9718475, 11090495, 14502955, 25268035, 28835287, 37707683, 55452475, 72514775, 126340175, 144176435, 188538415, 490199879, 720882175, 942692075, 2450999395, 12254996975]

約数ペア:

[(1, 12254996975), (5, 2450999395), (13, 942692075), (17, 720882175), (25, 490199879), (65, 188538415), (85, 144176435), (97, 126340175), (169, 72514775), (221, 55452475), (325, 37707683), (425, 28835287), (485, 25268035), (845, 14502955), (1105, 11090495), (1261, 9718475), (1649, 7431775), (1759, 6967025), (2425, 5053607), (2873, 4265575), (4225, 2900591), (5525, 2218099), (6305, 1943695), (8245, 1486355), (8795, 1393405), (14365, 853115), (16393, 747575), (21437, 571675), (22867, 535925), (29903, 409825), (31525, 388739), (41225, 297271), (43975, 278681), (71825, 170623), (81965, 149515), (107185, 114335)]