212509472

素因数分解:

$2^5\times 7^2\times {\mathrm{313}}^1\times {\mathrm{433}}^1$

素因数の和:770

約数の個数: 72

約数和(自身を含む): 489367116

約数和(自身を除く): 276857644

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 313, 392, 433, 626, 784, 866, 1252, 1568, 1732, 2191, 2504, 3031, 3464, 4382, 5008, 6062, 6928, 8764, 10016, 12124, 13856, 15337, 17528, 21217, 24248, 30674, 35056, 42434, 48496, 61348, 70112, 84868, 96992, 122696, 135529, 169736, 245392, 271058, 339472, 490784, 542116, 678944, 948703, 1084232, 1897406, 2168464, 3794812, 4336928, 6640921, 7589624, 13281842, 15179248, 26563684, 30358496, 53127368, 106254736, 212509472]

約数ペア:

[(1, 212509472), (2, 106254736), (4, 53127368), (7, 30358496), (8, 26563684), (14, 15179248), (16, 13281842), (28, 7589624), (32, 6640921), (49, 4336928), (56, 3794812), (98, 2168464), (112, 1897406), (196, 1084232), (224, 948703), (313, 678944), (392, 542116), (433, 490784), (626, 339472), (784, 271058), (866, 245392), (1252, 169736), (1568, 135529), (1732, 122696), (2191, 96992), (2504, 84868), (3031, 70112), (3464, 61348), (4382, 48496), (5008, 42434), (6062, 35056), (6928, 30674), (8764, 24248), (10016, 21217), (12124, 17528), (13856, 15337)]