28239990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{17761}}^1$

素因数の和:17824

約数の個数: 32

約数和(自身を含む): 69058656

約数和(自身を除く): 40818666

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 17761, 35522, 53283, 88805, 106566, 177610, 266415, 532830, 941333, 1882666, 2823999, 4706665, 5647998, 9413330, 14119995, 28239990]

約数ペア:

[(1, 28239990), (2, 14119995), (3, 9413330), (5, 5647998), (6, 4706665), (10, 2823999), (15, 1882666), (30, 941333), (53, 532830), (106, 266415), (159, 177610), (265, 106566), (318, 88805), (530, 53283), (795, 35522), (1590, 17761)]