978045380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3761713}}^1$

素因数の和:3761735

約数の個数: 24

約数和(自身を含む): 2211887832

約数和(自身を除く): 1233842452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3761713, 7523426, 15046852, 18808565, 37617130, 48902269, 75234260, 97804538, 195609076, 244511345, 489022690, 978045380]

約数ペア:

[(1, 978045380), (2, 489022690), (4, 244511345), (5, 195609076), (10, 97804538), (13, 75234260), (20, 48902269), (26, 37617130), (52, 18808565), (65, 15046852), (130, 7523426), (260, 3761713)]