78613808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53993}}^1$

素因数の和:54021

約数の個数: 40

約数和(自身を含む): 187467168

約数和(自身を除く): 108853360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 53993, 107986, 215972, 377951, 431944, 701909, 755902, 863888, 1403818, 1511804, 2807636, 3023608, 4913363, 5615272, 6047216, 9826726, 11230544, 19653452, 39306904, 78613808]

約数ペア:

[(1, 78613808), (2, 39306904), (4, 19653452), (7, 11230544), (8, 9826726), (13, 6047216), (14, 5615272), (16, 4913363), (26, 3023608), (28, 2807636), (52, 1511804), (56, 1403818), (91, 863888), (104, 755902), (112, 701909), (182, 431944), (208, 377951), (364, 215972), (728, 107986), (1456, 53993)]