404978868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{947}}^1\times {\mathrm{1697}}^1$

素因数の和:2661

約数の個数: 72

約数和(自身を含む): 1171864512

約数和(自身を除く): 766885644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 947, 1697, 1894, 2841, 3394, 3788, 5091, 5682, 6629, 6788, 8523, 10182, 11364, 11879, 13258, 15273, 17046, 19887, 20364, 23758, 26516, 30546, 34092, 35637, 39774, 47516, 59661, 61092, 71274, 79548, 106911, 119322, 142548, 213822, 238644, 427644, 1607059, 3214118, 4821177, 6428236, 9642354, 11249413, 14463531, 19284708, 22498826, 28927062, 33748239, 44997652, 57854124, 67496478, 101244717, 134992956, 202489434, 404978868]

約数ペア:

[(1, 404978868), (2, 202489434), (3, 134992956), (4, 101244717), (6, 67496478), (7, 57854124), (9, 44997652), (12, 33748239), (14, 28927062), (18, 22498826), (21, 19284708), (28, 14463531), (36, 11249413), (42, 9642354), (63, 6428236), (84, 4821177), (126, 3214118), (252, 1607059), (947, 427644), (1697, 238644), (1894, 213822), (2841, 142548), (3394, 119322), (3788, 106911), (5091, 79548), (5682, 71274), (6629, 61092), (6788, 59661), (8523, 47516), (10182, 39774), (11364, 35637), (11879, 34092), (13258, 30546), (15273, 26516), (17046, 23758), (19887, 20364)]