978180190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{141971}}^1$

素因数の和:142044

約数の個数: 32

約数和(自身を含む): 1931954976

約数和(自身を除く): 953774786

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 141971, 283942, 709855, 1419710, 1845623, 3691246, 7524463, 9228115, 15048926, 18456230, 37622315, 75244630, 97818019, 195636038, 489090095, 978180190]

約数ペア:

[(1, 978180190), (2, 489090095), (5, 195636038), (10, 97818019), (13, 75244630), (26, 37622315), (53, 18456230), (65, 15048926), (106, 9228115), (130, 7524463), (265, 3691246), (530, 1845623), (689, 1419710), (1378, 709855), (3445, 283942), (6890, 141971)]