28791802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{349}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 49392000

約数和(自身を除く): 20600198

約数列:

[1, 2, 13, 19, 26, 38, 167, 247, 334, 349, 494, 698, 2171, 3173, 4342, 4537, 6346, 6631, 9074, 13262, 41249, 58283, 82498, 86203, 116566, 172406, 757679, 1107377, 1515358, 2214754, 14395901, 28791802]

約数ペア:

[(1, 28791802), (2, 14395901), (13, 2214754), (19, 1515358), (26, 1107377), (38, 757679), (167, 172406), (247, 116566), (334, 86203), (349, 82498), (494, 58283), (698, 41249), (2171, 13262), (3173, 9074), (4342, 6631), (4537, 6346)]