388778712

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:921

約数の個数: 128

約数和(自身を含む): 1183818240

約数和(自身を除く): 795039528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 197, 204, 238, 357, 394, 408, 476, 591, 691, 714, 788, 952, 1182, 1379, 1382, 1428, 1576, 2073, 2364, 2758, 2764, 2856, 3349, 4137, 4146, 4728, 4837, 5516, 5528, 6698, 8274, 8292, 9674, 10047, 11032, 11747, 13396, 14511, 16548, 16584, 19348, 20094, 23443, 23494, 26792, 29022, 33096, 35241, 38696, 40188, 46886, 46988, 58044, 70329, 70482, 80376, 82229, 93772, 93976, 116088, 136127, 140658, 140964, 164458, 187544, 246687, 272254, 281316, 281928, 328916, 408381, 493374, 544508, 562632, 657832, 816762, 952889, 986748, 1089016, 1633524, 1905778, 1973496, 2314159, 2858667, 3267048, 3811556, 4628318, 5717334, 6942477, 7623112, 9256636, 11434668, 13884954, 16199113, 18513272, 22869336, 27769908, 32398226, 48597339, 55539816, 64796452, 97194678, 129592904, 194389356, 388778712]

約数ペア:

[(1, 388778712), (2, 194389356), (3, 129592904), (4, 97194678), (6, 64796452), (7, 55539816), (8, 48597339), (12, 32398226), (14, 27769908), (17, 22869336), (21, 18513272), (24, 16199113), (28, 13884954), (34, 11434668), (42, 9256636), (51, 7623112), (56, 6942477), (68, 5717334), (84, 4628318), (102, 3811556), (119, 3267048), (136, 2858667), (168, 2314159), (197, 1973496), (204, 1905778), (238, 1633524), (357, 1089016), (394, 986748), (408, 952889), (476, 816762), (591, 657832), (691, 562632), (714, 544508), (788, 493374), (952, 408381), (1182, 328916), (1379, 281928), (1382, 281316), (1428, 272254), (1576, 246687), (2073, 187544), (2364, 164458), (2758, 140964), (2764, 140658), (2856, 136127), (3349, 116088), (4137, 93976), (4146, 93772), (4728, 82229), (4837, 80376), (5516, 70482), (5528, 70329), (6698, 58044), (8274, 46988), (8292, 46886), (9674, 40188), (10047, 38696), (11032, 35241), (11747, 33096), (13396, 29022), (14511, 26792), (16548, 23494), (16584, 23443), (19348, 20094)]