78305890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{3121}}^1$

素因数の和:3334

約数の個数: 32

約数和(自身を含む): 152628336

約数和(自身を除く): 74322446

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 965, 1930, 2509, 3121, 5018, 6242, 12545, 15605, 25090, 31210, 40573, 81146, 202865, 405730, 602353, 1204706, 3011765, 6023530, 7830589, 15661178, 39152945, 78305890]

約数ペア:

[(1, 78305890), (2, 39152945), (5, 15661178), (10, 7830589), (13, 6023530), (26, 3011765), (65, 1204706), (130, 602353), (193, 405730), (386, 202865), (965, 81146), (1930, 40573), (2509, 31210), (3121, 25090), (5018, 15605), (6242, 12545)]