30981496

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42557}}^1$

素因数の和:42583

約数の個数: 32

約数和(自身を含む): 71497440

約数和(自身を除く): 40515944

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 42557, 85114, 170228, 297899, 340456, 553241, 595798, 1106482, 1191596, 2212964, 2383192, 3872687, 4425928, 7745374, 15490748, 30981496]

約数ペア:

[(1, 30981496), (2, 15490748), (4, 7745374), (7, 4425928), (8, 3872687), (13, 2383192), (14, 2212964), (26, 1191596), (28, 1106482), (52, 595798), (56, 553241), (91, 340456), (104, 297899), (182, 170228), (364, 85114), (728, 42557)]