78389590

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^2\times {\mathrm{1471}}^1$

素因数の和:1624

約数の個数: 24

約数和(自身を含む): 143157888

約数和(自身を除く): 64768298

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 1471, 2942, 5329, 7355, 10658, 14710, 26645, 53290, 107383, 214766, 536915, 1073830, 7838959, 15677918, 39194795, 78389590]

約数ペア:

[(1, 78389590), (2, 39194795), (5, 15677918), (10, 7838959), (73, 1073830), (146, 536915), (365, 214766), (730, 107383), (1471, 53290), (2942, 26645), (5329, 14710), (7355, 10658)]