66774656

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{40129}}^1$

素因数の和:40156

約数の個数: 32

約数和(自身を含む): 143264100

約数和(自身を除く): 76489444

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 40129, 80258, 160516, 321032, 521677, 642064, 1043354, 1284128, 2086708, 2568256, 4173416, 5136512, 8346832, 16693664, 33387328, 66774656]

約数ペア:

[(1, 66774656), (2, 33387328), (4, 16693664), (8, 8346832), (13, 5136512), (16, 4173416), (26, 2568256), (32, 2086708), (52, 1284128), (64, 1043354), (104, 642064), (128, 521677), (208, 321032), (416, 160516), (832, 80258), (1664, 40129)]