871948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 2016000

約数和(自身を除く): 1144052

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 149, 154, 209, 266, 298, 308, 418, 532, 596, 836, 1043, 1463, 1639, 2086, 2831, 2926, 3278, 4172, 5662, 5852, 6556, 11324, 11473, 19817, 22946, 31141, 39634, 45892, 62282, 79268, 124564, 217987, 435974, 871948]

約数ペア:

[(1, 871948), (2, 435974), (4, 217987), (7, 124564), (11, 79268), (14, 62282), (19, 45892), (22, 39634), (28, 31141), (38, 22946), (44, 19817), (76, 11473), (77, 11324), (133, 6556), (149, 5852), (154, 5662), (209, 4172), (266, 3278), (298, 2926), (308, 2831), (418, 2086), (532, 1639), (596, 1463), (836, 1043)]