261668015

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3631}}^1$

素因数の和:3743

約数の個数: 32

約数和(自身を含む): 376565760

約数和(自身を除く): 114897745

約数列:

[1, 5, 7, 29, 35, 71, 145, 203, 355, 497, 1015, 2059, 2485, 3631, 10295, 14413, 18155, 25417, 72065, 105299, 127085, 257801, 526495, 737093, 1289005, 1804607, 3685465, 7476229, 9023035, 37381145, 52333603, 261668015]

約数ペア:

[(1, 261668015), (5, 52333603), (7, 37381145), (29, 9023035), (35, 7476229), (71, 3685465), (145, 1804607), (203, 1289005), (355, 737093), (497, 526495), (1015, 257801), (2059, 127085), (2485, 105299), (3631, 72065), (10295, 25417), (14413, 18155)]