1308872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 2640000

約数和(自身を除く): 1331128

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 109, 152, 158, 218, 316, 436, 632, 872, 1501, 2071, 3002, 4142, 6004, 8284, 8611, 12008, 16568, 17222, 34444, 68888, 163609, 327218, 654436, 1308872]

約数ペア:

[(1, 1308872), (2, 654436), (4, 327218), (8, 163609), (19, 68888), (38, 34444), (76, 17222), (79, 16568), (109, 12008), (152, 8611), (158, 8284), (218, 6004), (316, 4142), (436, 3002), (632, 2071), (872, 1501)]