64637748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{256499}}^1$

素因数の和:256516

約数の個数: 36

約数和(自身を含む): 186732000

約数和(自身を除く): 122094252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 256499, 512998, 769497, 1025996, 1538994, 1795493, 2308491, 3077988, 3590986, 4616982, 5386479, 7181972, 9233964, 10772958, 16159437, 21545916, 32318874, 64637748]

約数ペア:

[(1, 64637748), (2, 32318874), (3, 21545916), (4, 16159437), (6, 10772958), (7, 9233964), (9, 7181972), (12, 5386479), (14, 4616982), (18, 3590986), (21, 3077988), (28, 2308491), (36, 1795493), (42, 1538994), (63, 1025996), (84, 769497), (126, 512998), (252, 256499)]