81515252

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{937}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 176494080

約数和(自身を除く): 94978828

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 239, 364, 478, 937, 956, 1673, 1874, 3107, 3346, 3748, 6214, 6559, 6692, 12181, 12428, 13118, 21749, 24362, 26236, 43498, 48724, 85267, 86996, 170534, 223943, 341068, 447886, 895772, 1567601, 2911259, 3135202, 5822518, 6270404, 11645036, 20378813, 40757626, 81515252]

約数ペア:

[(1, 81515252), (2, 40757626), (4, 20378813), (7, 11645036), (13, 6270404), (14, 5822518), (26, 3135202), (28, 2911259), (52, 1567601), (91, 895772), (182, 447886), (239, 341068), (364, 223943), (478, 170534), (937, 86996), (956, 85267), (1673, 48724), (1874, 43498), (3107, 26236), (3346, 24362), (3748, 21749), (6214, 13118), (6559, 12428), (6692, 12181)]