71731726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2417}}^1$

素因数の和:2520

約数の個数: 32

約数和(自身を含む): 125349120

約数和(自身を除く): 53617394

約数列:

[1, 2, 11, 19, 22, 38, 71, 142, 209, 418, 781, 1349, 1562, 2417, 2698, 4834, 14839, 26587, 29678, 45923, 53174, 91846, 171607, 343214, 505153, 1010306, 1887677, 3260533, 3775354, 6521066, 35865863, 71731726]

約数ペア:

[(1, 71731726), (2, 35865863), (11, 6521066), (19, 3775354), (22, 3260533), (38, 1887677), (71, 1010306), (142, 505153), (209, 343214), (418, 171607), (781, 91846), (1349, 53174), (1562, 45923), (2417, 29678), (2698, 26587), (4834, 14839)]