28990998

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 66842880

約数和(自身を除く): 37851882

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 103, 114, 171, 206, 309, 342, 618, 823, 927, 1646, 1854, 1957, 2469, 3914, 4938, 5871, 7407, 11742, 14814, 15637, 17613, 31274, 35226, 46911, 84769, 93822, 140733, 169538, 254307, 281466, 508614, 762921, 1525842, 1610611, 3221222, 4831833, 9663666, 14495499, 28990998]

約数ペア:

[(1, 28990998), (2, 14495499), (3, 9663666), (6, 4831833), (9, 3221222), (18, 1610611), (19, 1525842), (38, 762921), (57, 508614), (103, 281466), (114, 254307), (171, 169538), (206, 140733), (309, 93822), (342, 84769), (618, 46911), (823, 35226), (927, 31274), (1646, 17613), (1854, 15637), (1957, 14814), (2469, 11742), (3914, 7407), (4938, 5871)]