221625684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2657}}^1$

素因数の和:3005

約数の個数: 72

約数和(自身を含む): 642427968

約数和(自身を除く): 420802284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 331, 662, 993, 1324, 1986, 2317, 2657, 2979, 3972, 4634, 5314, 5958, 6951, 7971, 9268, 10628, 11916, 13902, 15942, 18599, 20853, 23913, 27804, 31884, 37198, 41706, 47826, 55797, 74396, 83412, 95652, 111594, 167391, 223188, 334782, 669564, 879467, 1758934, 2638401, 3517868, 5276802, 6156269, 7915203, 10553604, 12312538, 15830406, 18468807, 24625076, 31660812, 36937614, 55406421, 73875228, 110812842, 221625684]

約数ペア:

[(1, 221625684), (2, 110812842), (3, 73875228), (4, 55406421), (6, 36937614), (7, 31660812), (9, 24625076), (12, 18468807), (14, 15830406), (18, 12312538), (21, 10553604), (28, 7915203), (36, 6156269), (42, 5276802), (63, 3517868), (84, 2638401), (126, 1758934), (252, 879467), (331, 669564), (662, 334782), (993, 223188), (1324, 167391), (1986, 111594), (2317, 95652), (2657, 83412), (2979, 74396), (3972, 55797), (4634, 47826), (5314, 41706), (5958, 37198), (6951, 31884), (7971, 27804), (9268, 23913), (10628, 20853), (11916, 18599), (13902, 15942)]