816896444

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18859}}^1$

素因数の和:18907

約数の個数: 72

約数和(自身を含む): 1896335280

約数和(自身を除く): 1079438836

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 442, 476, 637, 833, 884, 1274, 1547, 1666, 2548, 3094, 3332, 6188, 10829, 18859, 21658, 37718, 43316, 75436, 132013, 245167, 264026, 320603, 490334, 528052, 641206, 924091, 980668, 1282412, 1716169, 1848182, 2244221, 3432338, 3696364, 4167839, 4488442, 6864676, 8335678, 8976884, 12013183, 15709547, 16671356, 24026366, 29174873, 31419094, 48052732, 58349746, 62838188, 116699492, 204224111, 408448222, 816896444]

約数ペア:

[(1, 816896444), (2, 408448222), (4, 204224111), (7, 116699492), (13, 62838188), (14, 58349746), (17, 48052732), (26, 31419094), (28, 29174873), (34, 24026366), (49, 16671356), (52, 15709547), (68, 12013183), (91, 8976884), (98, 8335678), (119, 6864676), (182, 4488442), (196, 4167839), (221, 3696364), (238, 3432338), (364, 2244221), (442, 1848182), (476, 1716169), (637, 1282412), (833, 980668), (884, 924091), (1274, 641206), (1547, 528052), (1666, 490334), (2548, 320603), (3094, 264026), (3332, 245167), (6188, 132013), (10829, 75436), (18859, 43316), (21658, 37718)]