8223670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1291}}^1$

素因数の和:1325

約数の個数: 48

約数和(自身を含む): 18558288

約数和(自身を除く): 10334618

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 1291, 2582, 3185, 6370, 6455, 9037, 12910, 16783, 18074, 33566, 45185, 63259, 83915, 90370, 117481, 126518, 167830, 234962, 316295, 587405, 632590, 822367, 1174810, 1644734, 4111835, 8223670]

約数ペア:

[(1, 8223670), (2, 4111835), (5, 1644734), (7, 1174810), (10, 822367), (13, 632590), (14, 587405), (26, 316295), (35, 234962), (49, 167830), (65, 126518), (70, 117481), (91, 90370), (98, 83915), (130, 63259), (182, 45185), (245, 33566), (455, 18074), (490, 16783), (637, 12910), (910, 9037), (1274, 6455), (1291, 6370), (2582, 3185)]