67648016

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:687

約数の個数: 40

約数和(自身を含む): 134217600

約数和(自身を除く): 66569584

約数列:

[1, 2, 4, 8, 16, 79, 109, 158, 218, 316, 436, 491, 632, 872, 982, 1264, 1744, 1964, 3928, 7856, 8611, 17222, 34444, 38789, 53519, 68888, 77578, 107038, 137776, 155156, 214076, 310312, 428152, 620624, 856304, 4228001, 8456002, 16912004, 33824008, 67648016]

約数ペア:

[(1, 67648016), (2, 33824008), (4, 16912004), (8, 8456002), (16, 4228001), (79, 856304), (109, 620624), (158, 428152), (218, 310312), (316, 214076), (436, 155156), (491, 137776), (632, 107038), (872, 77578), (982, 68888), (1264, 53519), (1744, 38789), (1964, 34444), (3928, 17222), (7856, 8611)]