668747156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{683}}^1$

素因数の和:750

約数の個数: 108

約数和(自身を含む): 1563990624

約数和(自身を除く): 895243468

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 289, 308, 374, 476, 484, 578, 683, 748, 847, 1156, 1309, 1366, 1694, 2023, 2057, 2618, 2732, 3179, 3388, 4046, 4114, 4781, 5236, 6358, 7513, 8092, 8228, 9562, 11611, 12716, 14399, 15026, 19124, 22253, 23222, 28798, 30052, 34969, 44506, 46444, 52591, 57596, 69938, 81277, 82643, 89012, 105182, 127721, 139876, 162554, 165286, 197387, 210364, 244783, 255442, 325108, 330572, 394774, 489566, 510884, 578501, 789548, 894047, 979132, 1157002, 1381709, 1404931, 1788094, 2171257, 2314004, 2763418, 2809862, 3576188, 4342514, 5526836, 5619724, 8685028, 9834517, 15198799, 19669034, 23883827, 30397598, 39338068, 47767654, 60795196, 95535308, 167186789, 334373578, 668747156]

約数ペア:

[(1, 668747156), (2, 334373578), (4, 167186789), (7, 95535308), (11, 60795196), (14, 47767654), (17, 39338068), (22, 30397598), (28, 23883827), (34, 19669034), (44, 15198799), (68, 9834517), (77, 8685028), (119, 5619724), (121, 5526836), (154, 4342514), (187, 3576188), (238, 2809862), (242, 2763418), (289, 2314004), (308, 2171257), (374, 1788094), (476, 1404931), (484, 1381709), (578, 1157002), (683, 979132), (748, 894047), (847, 789548), (1156, 578501), (1309, 510884), (1366, 489566), (1694, 394774), (2023, 330572), (2057, 325108), (2618, 255442), (2732, 244783), (3179, 210364), (3388, 197387), (4046, 165286), (4114, 162554), (4781, 139876), (5236, 127721), (6358, 105182), (7513, 89012), (8092, 82643), (8228, 81277), (9562, 69938), (11611, 57596), (12716, 52591), (14399, 46444), (15026, 44506), (19124, 34969), (22253, 30052), (23222, 28798)]