1388702936

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 2795834880

約数和(自身を除く): 1407131944

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 191, 193, 277, 382, 386, 554, 764, 772, 1108, 1528, 1544, 2216, 3247, 3281, 4709, 6494, 6562, 9418, 12988, 13124, 18836, 25976, 26248, 36863, 37672, 52907, 53461, 73726, 105814, 106922, 147452, 211628, 213844, 294904, 423256, 427688, 626671, 899419, 908837, 1253342, 1798838, 1817674, 2506684, 3597676, 3635348, 5013368, 7195352, 7270696, 10211051, 20422102, 40844204, 81688408, 173587867, 347175734, 694351468, 1388702936]

約数ペア:

[(1, 1388702936), (2, 694351468), (4, 347175734), (8, 173587867), (17, 81688408), (34, 40844204), (68, 20422102), (136, 10211051), (191, 7270696), (193, 7195352), (277, 5013368), (382, 3635348), (386, 3597676), (554, 2506684), (764, 1817674), (772, 1798838), (1108, 1253342), (1528, 908837), (1544, 899419), (2216, 626671), (3247, 427688), (3281, 423256), (4709, 294904), (6494, 213844), (6562, 211628), (9418, 147452), (12988, 106922), (13124, 105814), (18836, 73726), (25976, 53461), (26248, 52907), (36863, 37672)]