81702985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2273}}^1$

素因数の和:2377

約数の個数: 32

約数和(自身を含む): 122250240

約数和(自身を除く): 40547255

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 1027, 2273, 2765, 5135, 7189, 11365, 15911, 29549, 35945, 79555, 147745, 179567, 206843, 897835, 1034215, 1256969, 2334371, 6284845, 11671855, 16340597, 81702985]

約数ペア:

[(1, 81702985), (5, 16340597), (7, 11671855), (13, 6284845), (35, 2334371), (65, 1256969), (79, 1034215), (91, 897835), (395, 206843), (455, 179567), (553, 147745), (1027, 79555), (2273, 35945), (2765, 29549), (5135, 15911), (7189, 11365)]