257694948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 792529920

約数和(自身を除く): 534834972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 107, 114, 126, 133, 171, 214, 228, 252, 266, 321, 342, 399, 428, 503, 532, 642, 684, 749, 798, 963, 1006, 1197, 1284, 1498, 1509, 1596, 1926, 2012, 2033, 2247, 2394, 2996, 3018, 3521, 3852, 4066, 4494, 4527, 4788, 6036, 6099, 6741, 7042, 8132, 8988, 9054, 9557, 10563, 12198, 13482, 14084, 14231, 18108, 18297, 19114, 21126, 24396, 26964, 28462, 28671, 31689, 36594, 38228, 42252, 42693, 53821, 56924, 57342, 63378, 66899, 73188, 85386, 86013, 107642, 114684, 126756, 128079, 133798, 161463, 170772, 172026, 200697, 215284, 256158, 267596, 322926, 344052, 376747, 401394, 484389, 512316, 602091, 645852, 753494, 802788, 968778, 1022599, 1130241, 1204182, 1506988, 1937556, 2045198, 2260482, 2408364, 3067797, 3390723, 4090396, 4520964, 6135594, 6781446, 7158193, 9203391, 12271188, 13562892, 14316386, 18406782, 21474579, 28632772, 36813564, 42949158, 64423737, 85898316, 128847474, 257694948]

約数ペア:

[(1, 257694948), (2, 128847474), (3, 85898316), (4, 64423737), (6, 42949158), (7, 36813564), (9, 28632772), (12, 21474579), (14, 18406782), (18, 14316386), (19, 13562892), (21, 12271188), (28, 9203391), (36, 7158193), (38, 6781446), (42, 6135594), (57, 4520964), (63, 4090396), (76, 3390723), (84, 3067797), (107, 2408364), (114, 2260482), (126, 2045198), (133, 1937556), (171, 1506988), (214, 1204182), (228, 1130241), (252, 1022599), (266, 968778), (321, 802788), (342, 753494), (399, 645852), (428, 602091), (503, 512316), (532, 484389), (642, 401394), (684, 376747), (749, 344052), (798, 322926), (963, 267596), (1006, 256158), (1197, 215284), (1284, 200697), (1498, 172026), (1509, 170772), (1596, 161463), (1926, 133798), (2012, 128079), (2033, 126756), (2247, 114684), (2394, 107642), (2996, 86013), (3018, 85386), (3521, 73188), (3852, 66899), (4066, 63378), (4494, 57342), (4527, 56924), (4788, 53821), (6036, 42693), (6099, 42252), (6741, 38228), (7042, 36594), (8132, 31689), (8988, 28671), (9054, 28462), (9557, 26964), (10563, 24396), (12198, 21126), (13482, 19114), (14084, 18297), (14231, 18108)]