90723815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 146168064

約数和(自身を除く): 55444249

約数列:

[1, 5, 7, 13, 17, 35, 37, 65, 85, 91, 119, 185, 221, 259, 317, 455, 481, 595, 629, 1105, 1295, 1547, 1585, 2219, 2405, 3145, 3367, 4121, 4403, 5389, 7735, 8177, 11095, 11729, 16835, 20605, 22015, 26945, 28847, 37723, 40885, 57239, 58645, 70057, 82103, 144235, 152477, 188615, 199393, 286195, 350285, 410515, 490399, 762385, 996965, 1067339, 1395751, 2451995, 2592109, 5336695, 6978755, 12960545, 18144763, 90723815]

約数ペア:

[(1, 90723815), (5, 18144763), (7, 12960545), (13, 6978755), (17, 5336695), (35, 2592109), (37, 2451995), (65, 1395751), (85, 1067339), (91, 996965), (119, 762385), (185, 490399), (221, 410515), (259, 350285), (317, 286195), (455, 199393), (481, 188615), (595, 152477), (629, 144235), (1105, 82103), (1295, 70057), (1547, 58645), (1585, 57239), (2219, 40885), (2405, 37723), (3145, 28847), (3367, 26945), (4121, 22015), (4403, 20605), (5389, 16835), (7735, 11729), (8177, 11095)]