86930890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1019}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 165240000

約数和(自身を除く): 78309110

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 449, 898, 1019, 2038, 2245, 4490, 5095, 8531, 10190, 17062, 19361, 38722, 42655, 85310, 96805, 193610, 457531, 915062, 2287655, 4575310, 8693089, 17386178, 43465445, 86930890]

約数ペア:

[(1, 86930890), (2, 43465445), (5, 17386178), (10, 8693089), (19, 4575310), (38, 2287655), (95, 915062), (190, 457531), (449, 193610), (898, 96805), (1019, 85310), (2038, 42655), (2245, 38722), (4490, 19361), (5095, 17062), (8531, 10190)]