215565154

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{4493}}^1$

素因数の和:4674

約数の個数: 32

約数和(自身を含む): 388281600

約数和(自身を除く): 172716446

約数列:

[1, 2, 7, 14, 23, 46, 149, 161, 298, 322, 1043, 2086, 3427, 4493, 6854, 8986, 23989, 31451, 47978, 62902, 103339, 206678, 669457, 723373, 1338914, 1446746, 4686199, 9372398, 15397511, 30795022, 107782577, 215565154]

約数ペア:

[(1, 215565154), (2, 107782577), (7, 30795022), (14, 15397511), (23, 9372398), (46, 4686199), (149, 1446746), (161, 1338914), (298, 723373), (322, 669457), (1043, 206678), (2086, 103339), (3427, 62902), (4493, 47978), (6854, 31451), (8986, 23989)]