28013221775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{5669}}^1$

素因数の和:5865

約数の個数: 96

約数和(自身を含む): 46167045120

約数和(自身を除く): 18153823345

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 151, 175, 187, 275, 385, 425, 595, 755, 935, 1057, 1309, 1661, 1925, 2567, 2975, 3775, 4675, 5285, 5669, 6545, 8305, 11627, 12835, 17969, 26425, 28237, 28345, 32725, 39683, 41525, 58135, 62359, 64175, 89845, 96373, 141185, 141725, 197659, 198415, 290675, 311795, 436513, 449225, 481865, 674611, 705925, 856019, 988295, 992075, 1060103, 1558975, 2182565, 2409325, 3373055, 4280095, 4941475, 5300515, 5992133, 7420721, 9416209, 10912825, 14552323, 16865275, 21400475, 26502575, 29960665, 37103605, 47081045, 65913463, 72761615, 101866261, 149803325, 160075553, 185518025, 235405225, 329567315, 363808075, 509331305, 800377765, 1120528871, 1647836575, 2546656525, 4001888825, 5602644355, 28013221775]

約数ペア:

[(1, 28013221775), (5, 5602644355), (7, 4001888825), (11, 2546656525), (17, 1647836575), (25, 1120528871), (35, 800377765), (55, 509331305), (77, 363808075), (85, 329567315), (119, 235405225), (151, 185518025), (175, 160075553), (187, 149803325), (275, 101866261), (385, 72761615), (425, 65913463), (595, 47081045), (755, 37103605), (935, 29960665), (1057, 26502575), (1309, 21400475), (1661, 16865275), (1925, 14552323), (2567, 10912825), (2975, 9416209), (3775, 7420721), (4675, 5992133), (5285, 5300515), (5669, 4941475), (6545, 4280095), (8305, 3373055), (11627, 2409325), (12835, 2182565), (17969, 1558975), (26425, 1060103), (28237, 992075), (28345, 988295), (32725, 856019), (39683, 705925), (41525, 674611), (58135, 481865), (62359, 449225), (64175, 436513), (89845, 311795), (96373, 290675), (141185, 198415), (141725, 197659)]