12921976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 25718400

約数和(自身を除く): 12796424

約数列:

[1, 2, 4, 8, 19, 38, 76, 151, 152, 302, 563, 604, 1126, 1208, 2252, 2869, 4504, 5738, 10697, 11476, 21394, 22952, 42788, 85013, 85576, 170026, 340052, 680104, 1615247, 3230494, 6460988, 12921976]

約数ペア:

[(1, 12921976), (2, 6460988), (4, 3230494), (8, 1615247), (19, 680104), (38, 340052), (76, 170026), (151, 85576), (152, 85013), (302, 42788), (563, 22952), (604, 21394), (1126, 11476), (1208, 10697), (2252, 5738), (2869, 4504)]