78812170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{5209}}^1$

素因数の和:5322

約数の個数: 32

約数和(自身を含む): 151923600

約数和(自身を除く): 73111430

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 5209, 7565, 10418, 15130, 26045, 52090, 88553, 177106, 442765, 463601, 885530, 927202, 2318005, 4636010, 7881217, 15762434, 39406085, 78812170]

約数ペア:

[(1, 78812170), (2, 39406085), (5, 15762434), (10, 7881217), (17, 4636010), (34, 2318005), (85, 927202), (89, 885530), (170, 463601), (178, 442765), (445, 177106), (890, 88553), (1513, 52090), (3026, 26045), (5209, 15130), (7565, 10418)]