139937278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{587}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 232043616

約数和(自身を除く): 92106338

約数列:

[1, 2, 13, 26, 53, 106, 173, 346, 587, 689, 1174, 1378, 2249, 4498, 7631, 9169, 15262, 18338, 31111, 62222, 101551, 119197, 203102, 238394, 404443, 808886, 1320163, 2640326, 5382203, 10764406, 69968639, 139937278]

約数ペア:

[(1, 139937278), (2, 69968639), (13, 10764406), (26, 5382203), (53, 2640326), (106, 1320163), (173, 808886), (346, 404443), (587, 238394), (689, 203102), (1174, 119197), (1378, 101551), (2249, 62222), (4498, 31111), (7631, 18338), (9169, 15262)]