81818824

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1429}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 162934200

約数和(自身を除く): 81115376

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 421, 842, 1429, 1684, 2858, 3368, 5716, 7157, 11432, 14314, 24293, 28628, 48586, 57256, 97172, 194344, 601609, 1203218, 2406436, 4812872, 10227353, 20454706, 40909412, 81818824]

約数ペア:

[(1, 81818824), (2, 40909412), (4, 20454706), (8, 10227353), (17, 4812872), (34, 2406436), (68, 1203218), (136, 601609), (421, 194344), (842, 97172), (1429, 57256), (1684, 48586), (2858, 28628), (3368, 24293), (5716, 14314), (7157, 11432)]