639551376

素因数分解:

$2^4\times 3^4\times {\mathrm{493481}}^1$

素因数の和:493501

約数の個数: 50

約数和(自身を含む): 1851050982

約数和(自身を除く): 1211499606

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 493481, 986962, 1480443, 1973924, 2960886, 3947848, 4441329, 5921772, 7895696, 8882658, 11843544, 13323987, 17765316, 23687088, 26647974, 35530632, 39971961, 53295948, 71061264, 79943922, 106591896, 159887844, 213183792, 319775688, 639551376]

約数ペア:

[(1, 639551376), (2, 319775688), (3, 213183792), (4, 159887844), (6, 106591896), (8, 79943922), (9, 71061264), (12, 53295948), (16, 39971961), (18, 35530632), (24, 26647974), (27, 23687088), (36, 17765316), (48, 13323987), (54, 11843544), (72, 8882658), (81, 7895696), (108, 5921772), (144, 4441329), (162, 3947848), (216, 2960886), (324, 1973924), (432, 1480443), (648, 986962), (1296, 493481)]