28978166

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 52902720

約数和(自身を除く): 23924554

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 313, 389, 626, 778, 2191, 2723, 4382, 5321, 5446, 6613, 10642, 13226, 37247, 46291, 74494, 92582, 121757, 243514, 852299, 1704598, 2069869, 4139738, 14489083, 28978166]

約数ペア:

[(1, 28978166), (2, 14489083), (7, 4139738), (14, 2069869), (17, 1704598), (34, 852299), (119, 243514), (238, 121757), (313, 92582), (389, 74494), (626, 46291), (778, 37247), (2191, 13226), (2723, 10642), (4382, 6613), (5321, 5446)]