12219788

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 25704000

約数和(自身を除く): 13484212

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 101, 116, 149, 202, 203, 298, 404, 406, 596, 707, 812, 1043, 1414, 2086, 2828, 2929, 4172, 4321, 5858, 8642, 11716, 15049, 17284, 20503, 30098, 30247, 41006, 60196, 60494, 82012, 105343, 120988, 210686, 421372, 436421, 872842, 1745684, 3054947, 6109894, 12219788]

約数ペア:

[(1, 12219788), (2, 6109894), (4, 3054947), (7, 1745684), (14, 872842), (28, 436421), (29, 421372), (58, 210686), (101, 120988), (116, 105343), (149, 82012), (202, 60494), (203, 60196), (298, 41006), (404, 30247), (406, 30098), (596, 20503), (707, 17284), (812, 15049), (1043, 11716), (1414, 8642), (2086, 5858), (2828, 4321), (2929, 4172)]