42908408

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 87052920

約数和(自身を除く): 44144512

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 277, 289, 536, 554, 578, 1108, 1139, 1156, 2216, 2278, 2312, 4556, 4709, 9112, 9418, 18559, 18836, 19363, 37118, 37672, 38726, 74236, 77452, 80053, 148472, 154904, 160106, 315503, 320212, 631006, 640424, 1262012, 2524024, 5363551, 10727102, 21454204, 42908408]

約数ペア:

[(1, 42908408), (2, 21454204), (4, 10727102), (8, 5363551), (17, 2524024), (34, 1262012), (67, 640424), (68, 631006), (134, 320212), (136, 315503), (268, 160106), (277, 154904), (289, 148472), (536, 80053), (554, 77452), (578, 74236), (1108, 38726), (1139, 37672), (1156, 37118), (2216, 19363), (2278, 18836), (2312, 18559), (4556, 9418), (4709, 9112)]