28491386

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 40

約数和(自身を含む): 54112800

約数和(自身を除く): 25621414

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 139, 154, 242, 278, 847, 973, 1331, 1529, 1694, 1946, 2662, 3058, 9317, 10703, 14641, 16819, 18634, 21406, 29282, 33638, 102487, 117733, 185009, 204974, 235466, 370018, 1295063, 2035099, 2590126, 4070198, 14245693, 28491386]

約数ペア:

[(1, 28491386), (2, 14245693), (7, 4070198), (11, 2590126), (14, 2035099), (22, 1295063), (77, 370018), (121, 235466), (139, 204974), (154, 185009), (242, 117733), (278, 102487), (847, 33638), (973, 29282), (1331, 21406), (1529, 18634), (1694, 16819), (1946, 14641), (2662, 10703), (3058, 9317)]