221702716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 417312000

約数和(自身を除く): 195609284

約数列:

[1, 2, 4, 19, 38, 76, 107, 137, 199, 214, 274, 398, 428, 548, 796, 2033, 2603, 3781, 4066, 5206, 7562, 8132, 10412, 14659, 15124, 21293, 27263, 29318, 42586, 54526, 58636, 85172, 109052, 278521, 404567, 517997, 557042, 809134, 1035994, 1114084, 1618268, 2071988, 2917141, 5834282, 11668564, 55425679, 110851358, 221702716]

約数ペア:

[(1, 221702716), (2, 110851358), (4, 55425679), (19, 11668564), (38, 5834282), (76, 2917141), (107, 2071988), (137, 1618268), (199, 1114084), (214, 1035994), (274, 809134), (398, 557042), (428, 517997), (548, 404567), (796, 278521), (2033, 109052), (2603, 85172), (3781, 58636), (4066, 54526), (5206, 42586), (7562, 29318), (8132, 27263), (10412, 21293), (14659, 15124)]