161728805

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2621}}^1$

素因数の和:2717

約数の個数: 32

約数和(自身を含む): 232581888

約数和(自身を除く): 70853083

約数列:

[1, 5, 7, 35, 41, 43, 205, 215, 287, 301, 1435, 1505, 1763, 2621, 8815, 12341, 13105, 18347, 61705, 91735, 107461, 112703, 537305, 563515, 752227, 788921, 3761135, 3944605, 4620823, 23104115, 32345761, 161728805]

約数ペア:

[(1, 161728805), (5, 32345761), (7, 23104115), (35, 4620823), (41, 3944605), (43, 3761135), (205, 788921), (215, 752227), (287, 563515), (301, 537305), (1435, 112703), (1505, 107461), (1763, 91735), (2621, 61705), (8815, 18347), (12341, 13105)]