31875688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9887}}^1$

素因数の和:9937

約数の個数: 32

約数和(自身を含む): 66447360

約数和(自身を除く): 34571672

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 9887, 19774, 39548, 79096, 128531, 257062, 306497, 514124, 612994, 1028248, 1225988, 2451976, 3984461, 7968922, 15937844, 31875688]

約数ペア:

[(1, 31875688), (2, 15937844), (4, 7968922), (8, 3984461), (13, 2451976), (26, 1225988), (31, 1028248), (52, 612994), (62, 514124), (104, 306497), (124, 257062), (248, 128531), (403, 79096), (806, 39548), (1612, 19774), (3224, 9887)]