28716142

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 54548640

約数和(自身を除く): 25832498

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 169, 182, 229, 338, 371, 458, 689, 742, 1183, 1378, 1603, 2366, 2977, 3206, 4823, 5954, 8957, 9646, 12137, 17914, 20839, 24274, 38701, 41678, 62699, 77402, 84959, 125398, 157781, 169918, 270907, 315562, 541814, 1104467, 2051153, 2208934, 4102306, 14358071, 28716142]

約数ペア:

[(1, 28716142), (2, 14358071), (7, 4102306), (13, 2208934), (14, 2051153), (26, 1104467), (53, 541814), (91, 315562), (106, 270907), (169, 169918), (182, 157781), (229, 125398), (338, 84959), (371, 77402), (458, 62699), (689, 41678), (742, 38701), (1183, 24274), (1378, 20839), (1603, 17914), (2366, 12137), (2977, 9646), (3206, 8957), (4823, 5954)]