12787810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 27869184

約数和(自身を除く): 15081374

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 71, 83, 142, 155, 166, 217, 310, 355, 415, 434, 497, 581, 710, 830, 994, 1085, 1162, 2170, 2201, 2485, 2573, 2905, 4402, 4970, 5146, 5810, 5893, 11005, 11786, 12865, 15407, 18011, 22010, 25730, 29465, 30814, 36022, 41251, 58930, 77035, 82502, 90055, 154070, 180110, 182683, 206255, 365366, 412510, 913415, 1278781, 1826830, 2557562, 6393905, 12787810]

約数ペア:

[(1, 12787810), (2, 6393905), (5, 2557562), (7, 1826830), (10, 1278781), (14, 913415), (31, 412510), (35, 365366), (62, 206255), (70, 182683), (71, 180110), (83, 154070), (142, 90055), (155, 82502), (166, 77035), (217, 58930), (310, 41251), (355, 36022), (415, 30814), (434, 29465), (497, 25730), (581, 22010), (710, 18011), (830, 15407), (994, 12865), (1085, 11786), (1162, 11005), (2170, 5893), (2201, 5810), (2485, 5146), (2573, 4970), (2905, 4402)]