25281719475

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1033}}^1$

素因数の和:1277

約数の個数: 96

約数和(自身を含む): 43868335104

約数和(自身を除く): 18586615629

約数列:

[1, 3, 5, 15, 25, 47, 53, 75, 131, 141, 159, 235, 265, 393, 655, 705, 795, 1033, 1175, 1325, 1965, 2491, 3099, 3275, 3525, 3975, 5165, 6157, 6943, 7473, 9825, 12455, 15495, 18471, 20829, 25825, 30785, 34715, 37365, 48551, 54749, 62275, 77475, 92355, 104145, 135323, 145653, 153925, 164247, 173575, 186825, 242755, 273745, 326321, 405969, 461775, 520725, 676615, 728265, 821235, 978963, 1213775, 1368725, 1631605, 2029845, 2573203, 3383075, 3641325, 4106175, 4894815, 6360181, 7172119, 7719609, 8158025, 10149225, 12866015, 19080543, 21516357, 24474075, 31800905, 35860595, 38598045, 64330075, 95402715, 107581785, 159004525, 179302975, 192990225, 337089593, 477013575, 537908925, 1011268779, 1685447965, 5056343895, 8427239825, 25281719475]

約数ペア:

[(1, 25281719475), (3, 8427239825), (5, 5056343895), (15, 1685447965), (25, 1011268779), (47, 537908925), (53, 477013575), (75, 337089593), (131, 192990225), (141, 179302975), (159, 159004525), (235, 107581785), (265, 95402715), (393, 64330075), (655, 38598045), (705, 35860595), (795, 31800905), (1033, 24474075), (1175, 21516357), (1325, 19080543), (1965, 12866015), (2491, 10149225), (3099, 8158025), (3275, 7719609), (3525, 7172119), (3975, 6360181), (5165, 4894815), (6157, 4106175), (6943, 3641325), (7473, 3383075), (9825, 2573203), (12455, 2029845), (15495, 1631605), (18471, 1368725), (20829, 1213775), (25825, 978963), (30785, 821235), (34715, 728265), (37365, 676615), (48551, 520725), (54749, 461775), (62275, 405969), (77475, 326321), (92355, 273745), (104145, 242755), (135323, 186825), (145653, 173575), (153925, 164247)]