17655428

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 36578304

約数和(自身を除く): 18922876

約数列:

[1, 2, 4, 7, 14, 28, 71, 83, 107, 142, 166, 214, 284, 332, 428, 497, 581, 749, 994, 1162, 1498, 1988, 2324, 2996, 5893, 7597, 8881, 11786, 15194, 17762, 23572, 30388, 35524, 41251, 53179, 62167, 82502, 106358, 124334, 165004, 212716, 248668, 630551, 1261102, 2522204, 4413857, 8827714, 17655428]

約数ペア:

[(1, 17655428), (2, 8827714), (4, 4413857), (7, 2522204), (14, 1261102), (28, 630551), (71, 248668), (83, 212716), (107, 165004), (142, 124334), (166, 106358), (214, 82502), (284, 62167), (332, 53179), (428, 41251), (497, 35524), (581, 30388), (749, 23572), (994, 17762), (1162, 15194), (1498, 11786), (1988, 8881), (2324, 7597), (2996, 5893)]