81698855

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 122544576

約数和(自身を除く): 40845721

約数列:

[1, 5, 7, 17, 35, 41, 85, 119, 197, 205, 287, 289, 595, 697, 985, 1379, 1435, 1445, 2023, 3349, 3485, 4879, 6895, 8077, 10115, 11849, 16745, 23443, 24395, 40385, 56539, 56933, 59245, 82943, 117215, 137309, 282695, 284665, 398531, 414715, 686545, 961163, 1992655, 2334253, 4805815, 11671265, 16339771, 81698855]

約数ペア:

[(1, 81698855), (5, 16339771), (7, 11671265), (17, 4805815), (35, 2334253), (41, 1992655), (85, 961163), (119, 686545), (197, 414715), (205, 398531), (287, 284665), (289, 282695), (595, 137309), (697, 117215), (985, 82943), (1379, 59245), (1435, 56933), (1445, 56539), (2023, 40385), (3349, 24395), (3485, 23443), (4879, 16745), (6895, 11849), (8077, 10115)]