1978051572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{37201}}^1$

素因数の和:37429

約数の個数: 72

約数和(自身を含む): 5741607872

約数和(自身を除く): 3763556300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 211, 252, 422, 633, 844, 1266, 1477, 1899, 2532, 2954, 3798, 4431, 5908, 7596, 8862, 13293, 17724, 26586, 37201, 53172, 74402, 111603, 148804, 223206, 260407, 334809, 446412, 520814, 669618, 781221, 1041628, 1339236, 1562442, 2343663, 3124884, 4687326, 7849411, 9374652, 15698822, 23548233, 31397644, 47096466, 54945877, 70644699, 94192932, 109891754, 141289398, 164837631, 219783508, 282578796, 329675262, 494512893, 659350524, 989025786, 1978051572]

約数ペア:

[(1, 1978051572), (2, 989025786), (3, 659350524), (4, 494512893), (6, 329675262), (7, 282578796), (9, 219783508), (12, 164837631), (14, 141289398), (18, 109891754), (21, 94192932), (28, 70644699), (36, 54945877), (42, 47096466), (63, 31397644), (84, 23548233), (126, 15698822), (211, 9374652), (252, 7849411), (422, 4687326), (633, 3124884), (844, 2343663), (1266, 1562442), (1477, 1339236), (1899, 1041628), (2532, 781221), (2954, 669618), (3798, 520814), (4431, 446412), (5908, 334809), (7596, 260407), (8862, 223206), (13293, 148804), (17724, 111603), (26586, 74402), (37201, 53172)]