219399992

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{206203}}^1$

素因数の和:206235

約数の個数: 32

約数和(自身を含む): 494889600

約数和(自身を除く): 275489608

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 206203, 412406, 824812, 1443421, 1649624, 2886842, 3917857, 5773684, 7835714, 11547368, 15671428, 27424999, 31342856, 54849998, 109699996, 219399992]

約数ペア:

[(1, 219399992), (2, 109699996), (4, 54849998), (7, 31342856), (8, 27424999), (14, 15671428), (19, 11547368), (28, 7835714), (38, 5773684), (56, 3917857), (76, 2886842), (133, 1649624), (152, 1443421), (266, 824812), (532, 412406), (1064, 206203)]