191572420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{736817}}^1$

素因数の和:736839

約数の個数: 24

約数和(自身を含む): 433248984

約数和(自身を除く): 241676564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 736817, 1473634, 2947268, 3684085, 7368170, 9578621, 14736340, 19157242, 38314484, 47893105, 95786210, 191572420]

約数ペア:

[(1, 191572420), (2, 95786210), (4, 47893105), (5, 38314484), (10, 19157242), (13, 14736340), (20, 9578621), (26, 7368170), (52, 3684085), (65, 2947268), (130, 1473634), (260, 736817)]