22947925

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 39184992

約数和(自身を除く): 16237067

約数列:

[1, 5, 7, 11, 13, 25, 35, 49, 55, 65, 77, 91, 131, 143, 175, 245, 275, 325, 385, 455, 539, 637, 655, 715, 917, 1001, 1225, 1441, 1703, 1925, 2275, 2695, 3185, 3275, 3575, 4585, 5005, 6419, 7007, 7205, 8515, 10087, 11921, 13475, 15925, 18733, 22925, 25025, 32095, 35035, 36025, 42575, 50435, 59605, 70609, 83447, 93665, 131131, 160475, 175175, 252175, 298025, 353045, 417235, 468325, 655655, 917917, 1765225, 2086175, 3278275, 4589585, 22947925]

約数ペア:

[(1, 22947925), (5, 4589585), (7, 3278275), (11, 2086175), (13, 1765225), (25, 917917), (35, 655655), (49, 468325), (55, 417235), (65, 353045), (77, 298025), (91, 252175), (131, 175175), (143, 160475), (175, 131131), (245, 93665), (275, 83447), (325, 70609), (385, 59605), (455, 50435), (539, 42575), (637, 36025), (655, 35035), (715, 32095), (917, 25025), (1001, 22925), (1225, 18733), (1441, 15925), (1703, 13475), (1925, 11921), (2275, 10087), (2695, 8515), (3185, 7205), (3275, 7007), (3575, 6419), (4585, 5005)]