78821704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1489}}^1$

素因数の和:2017

約数の個数: 32

約数和(自身を含む): 159579000

約数和(自身を除く): 80757296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 509, 1018, 1489, 2036, 2978, 4072, 5956, 6617, 11912, 13234, 19357, 26468, 38714, 52936, 77428, 154856, 757901, 1515802, 3031604, 6063208, 9852713, 19705426, 39410852, 78821704]

約数ペア:

[(1, 78821704), (2, 39410852), (4, 19705426), (8, 9852713), (13, 6063208), (26, 3031604), (52, 1515802), (104, 757901), (509, 154856), (1018, 77428), (1489, 52936), (2036, 38714), (2978, 26468), (4072, 19357), (5956, 13234), (6617, 11912)]