2878218

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 7278336

約数和(自身を除く): 4400118

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 431, 477, 742, 862, 954, 1113, 1293, 2226, 2586, 3017, 3339, 3879, 6034, 6678, 7758, 9051, 18102, 22843, 27153, 45686, 54306, 68529, 137058, 159901, 205587, 319802, 411174, 479703, 959406, 1439109, 2878218]

約数ペア:

[(1, 2878218), (2, 1439109), (3, 959406), (6, 479703), (7, 411174), (9, 319802), (14, 205587), (18, 159901), (21, 137058), (42, 68529), (53, 54306), (63, 45686), (106, 27153), (126, 22843), (159, 18102), (318, 9051), (371, 7758), (431, 6678), (477, 6034), (742, 3879), (862, 3339), (954, 3017), (1113, 2586), (1293, 2226)]