2745652

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 6240640

約数和(自身を除く): 3494988

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 397, 494, 532, 794, 988, 1588, 1729, 2779, 3458, 5161, 5558, 6916, 7543, 10322, 11116, 15086, 20644, 30172, 36127, 52801, 72254, 98059, 105602, 144508, 196118, 211204, 392236, 686413, 1372826, 2745652]

約数ペア:

[(1, 2745652), (2, 1372826), (4, 686413), (7, 392236), (13, 211204), (14, 196118), (19, 144508), (26, 105602), (28, 98059), (38, 72254), (52, 52801), (76, 36127), (91, 30172), (133, 20644), (182, 15086), (247, 11116), (266, 10322), (364, 7543), (397, 6916), (494, 5558), (532, 5161), (794, 3458), (988, 2779), (1588, 1729)]