138431644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{839}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 276595200

約数和(自身を除く): 138163556

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 167, 247, 334, 494, 668, 839, 988, 1678, 2171, 3173, 3356, 4342, 6346, 8684, 10907, 12692, 15941, 21814, 31882, 41249, 43628, 63764, 82498, 140113, 164996, 207233, 280226, 414466, 560452, 828932, 1821469, 2662147, 3642938, 5324294, 7285876, 10648588, 34607911, 69215822, 138431644]

約数ペア:

[(1, 138431644), (2, 69215822), (4, 34607911), (13, 10648588), (19, 7285876), (26, 5324294), (38, 3642938), (52, 2662147), (76, 1821469), (167, 828932), (247, 560452), (334, 414466), (494, 280226), (668, 207233), (839, 164996), (988, 140113), (1678, 82498), (2171, 63764), (3173, 43628), (3356, 41249), (4342, 31882), (6346, 21814), (8684, 15941), (10907, 12692)]