400998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 889056

約数和(自身を除く): 488058

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 97, 106, 159, 194, 291, 318, 582, 689, 1261, 1378, 2067, 2522, 3783, 4134, 5141, 7566, 10282, 15423, 30846, 66833, 133666, 200499, 400998]

約数ペア:

[(1, 400998), (2, 200499), (3, 133666), (6, 66833), (13, 30846), (26, 15423), (39, 10282), (53, 7566), (78, 5141), (97, 4134), (106, 3783), (159, 2522), (194, 2067), (291, 1378), (318, 1261), (582, 689)]