15997072

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10987}}^1$

素因数の和:11015

約数の個数: 40

約数和(自身を含む): 38150336

約数和(自身を除く): 22153264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 10987, 21974, 43948, 76909, 87896, 142831, 153818, 175792, 285662, 307636, 571324, 615272, 999817, 1142648, 1230544, 1999634, 2285296, 3999268, 7998536, 15997072]

約数ペア:

[(1, 15997072), (2, 7998536), (4, 3999268), (7, 2285296), (8, 1999634), (13, 1230544), (14, 1142648), (16, 999817), (26, 615272), (28, 571324), (52, 307636), (56, 285662), (91, 175792), (104, 153818), (112, 142831), (182, 87896), (208, 76909), (364, 43948), (728, 21974), (1456, 10987)]