261767928

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{162791}}^1$

素因数の和:162867

約数の個数: 32

約数和(自身を含む): 664191360

約数和(自身を除く): 402423432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 162791, 325582, 488373, 651164, 976746, 1302328, 1953492, 3906984, 10906997, 21813994, 32720991, 43627988, 65441982, 87255976, 130883964, 261767928]

約数ペア:

[(1, 261767928), (2, 130883964), (3, 87255976), (4, 65441982), (6, 43627988), (8, 32720991), (12, 21813994), (24, 10906997), (67, 3906984), (134, 1953492), (201, 1302328), (268, 976746), (402, 651164), (536, 488373), (804, 325582), (1608, 162791)]