1856116730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{108991}}^1$

素因数の和:109142

約数の個数: 32

約数和(自身を含む): 3625509888

約数和(自身を除く): 1769393158

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 8515, 17030, 108991, 217982, 544955, 1089910, 1416883, 2833766, 7084415, 14168830, 14277821, 28555642, 71389105, 142778210, 185611673, 371223346, 928058365, 1856116730]

約数ペア:

[(1, 1856116730), (2, 928058365), (5, 371223346), (10, 185611673), (13, 142778210), (26, 71389105), (65, 28555642), (130, 14277821), (131, 14168830), (262, 7084415), (655, 2833766), (1310, 1416883), (1703, 1089910), (3406, 544955), (8515, 217982), (17030, 108991)]