388680784

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{2467}}^1$

素因数の和:2747

約数の個数: 40

約数和(自身を含む): 774260960

約数和(自身を除く): 385580176

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 229, 344, 458, 688, 916, 1832, 2467, 3664, 4934, 9847, 9868, 19694, 19736, 39388, 39472, 78776, 106081, 157552, 212162, 424324, 564943, 848648, 1129886, 1697296, 2259772, 4519544, 9039088, 24292549, 48585098, 97170196, 194340392, 388680784]

約数ペア:

[(1, 388680784), (2, 194340392), (4, 97170196), (8, 48585098), (16, 24292549), (43, 9039088), (86, 4519544), (172, 2259772), (229, 1697296), (344, 1129886), (458, 848648), (688, 564943), (916, 424324), (1832, 212162), (2467, 157552), (3664, 106081), (4934, 78776), (9847, 39472), (9868, 39388), (19694, 19736)]