881296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 40

約数和(自身を含む): 1944320

約数和(自身を除く): 1063024

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 223, 247, 304, 446, 494, 892, 988, 1784, 1976, 2899, 3568, 3952, 4237, 5798, 8474, 11596, 16948, 23192, 33896, 46384, 55081, 67792, 110162, 220324, 440648, 881296]

約数ペア:

[(1, 881296), (2, 440648), (4, 220324), (8, 110162), (13, 67792), (16, 55081), (19, 46384), (26, 33896), (38, 23192), (52, 16948), (76, 11596), (104, 8474), (152, 5798), (208, 4237), (223, 3952), (247, 3568), (304, 2899), (446, 1976), (494, 1784), (892, 988)]