15971248

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:625

約数の個数: 40

約数和(自身を含む): 32944320

約数和(自身を除く): 16973072

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 107, 152, 214, 304, 428, 491, 856, 982, 1712, 1964, 2033, 3928, 4066, 7856, 8132, 9329, 16264, 18658, 32528, 37316, 52537, 74632, 105074, 149264, 210148, 420296, 840592, 998203, 1996406, 3992812, 7985624, 15971248]

約数ペア:

[(1, 15971248), (2, 7985624), (4, 3992812), (8, 1996406), (16, 998203), (19, 840592), (38, 420296), (76, 210148), (107, 149264), (152, 105074), (214, 74632), (304, 52537), (428, 37316), (491, 32528), (856, 18658), (982, 16264), (1712, 9329), (1964, 8132), (2033, 7856), (3928, 4066)]