870874139

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 988416000

約数和(自身を除く): 117541861

約数列:

[1, 19, 23, 47, 109, 389, 437, 893, 1081, 2071, 2507, 5123, 7391, 8947, 18283, 20539, 42401, 47633, 97337, 117829, 169993, 347377, 420509, 805619, 975223, 1992847, 2238751, 7989671, 18529237, 37864093, 45835481, 870874139]

約数ペア:

[(1, 870874139), (19, 45835481), (23, 37864093), (47, 18529237), (109, 7989671), (389, 2238751), (437, 1992847), (893, 975223), (1081, 805619), (2071, 420509), (2507, 347377), (5123, 169993), (7391, 117829), (8947, 97337), (18283, 47633), (20539, 42401)]