16145990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 34301232

約数和(自身を除く): 18155242

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 166, 245, 397, 415, 490, 581, 794, 830, 1162, 1985, 2779, 2905, 3970, 4067, 5558, 5810, 8134, 13895, 19453, 20335, 27790, 32951, 38906, 40670, 65902, 97265, 164755, 194530, 230657, 329510, 461314, 1153285, 1614599, 2306570, 3229198, 8072995, 16145990]

約数ペア:

[(1, 16145990), (2, 8072995), (5, 3229198), (7, 2306570), (10, 1614599), (14, 1153285), (35, 461314), (49, 329510), (70, 230657), (83, 194530), (98, 164755), (166, 97265), (245, 65902), (397, 40670), (415, 38906), (490, 32951), (581, 27790), (794, 20335), (830, 19453), (1162, 13895), (1985, 8134), (2779, 5810), (2905, 5558), (3970, 4067)]