20161105615

素因数分解:

$5^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{211543}}^1$

素因数の和:211951

約数の個数: 24

約数和(自身を含む): 28215738720

約数和(自身を除く): 8054633105

約数列:

[1, 5, 7, 35, 49, 245, 389, 1945, 2723, 13615, 19061, 95305, 211543, 1057715, 1480801, 7404005, 10365607, 51828035, 82290227, 411451135, 576031589, 2880157945, 4032221123, 20161105615]

約数ペア:

[(1, 20161105615), (5, 4032221123), (7, 2880157945), (35, 576031589), (49, 411451135), (245, 82290227), (389, 51828035), (1945, 10365607), (2723, 7404005), (13615, 1480801), (19061, 1057715), (95305, 211543)]