71662444

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 146664000

約数和(自身を除く): 75001556

約数列:

[1, 2, 4, 7, 14, 28, 89, 149, 178, 193, 298, 356, 386, 596, 623, 772, 1043, 1246, 1351, 2086, 2492, 2702, 4172, 5404, 13261, 17177, 26522, 28757, 34354, 53044, 57514, 68708, 92827, 115028, 120239, 185654, 201299, 240478, 371308, 402598, 480956, 805196, 2559373, 5118746, 10237492, 17915611, 35831222, 71662444]

約数ペア:

[(1, 71662444), (2, 35831222), (4, 17915611), (7, 10237492), (14, 5118746), (28, 2559373), (89, 805196), (149, 480956), (178, 402598), (193, 371308), (298, 240478), (356, 201299), (386, 185654), (596, 120239), (623, 115028), (772, 92827), (1043, 68708), (1246, 57514), (1351, 53044), (2086, 34354), (2492, 28757), (2702, 26522), (4172, 17177), (5404, 13261)]