391390494

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2897}}^1$

素因数の和:3025

約数の個数: 64

約数和(自身を含む): 901393920

約数和(自身を除く): 510003426

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 89, 138, 178, 253, 267, 506, 534, 759, 979, 1518, 1958, 2047, 2897, 2937, 4094, 5794, 5874, 6141, 8691, 12282, 17382, 22517, 31867, 45034, 63734, 66631, 67551, 95601, 133262, 135102, 191202, 199893, 257833, 399786, 515666, 732941, 773499, 1465882, 1546998, 2198823, 2836163, 4397646, 5672326, 5930159, 8508489, 11860318, 17016978, 17790477, 35580954, 65231749, 130463498, 195695247, 391390494]

約数ペア:

[(1, 391390494), (2, 195695247), (3, 130463498), (6, 65231749), (11, 35580954), (22, 17790477), (23, 17016978), (33, 11860318), (46, 8508489), (66, 5930159), (69, 5672326), (89, 4397646), (138, 2836163), (178, 2198823), (253, 1546998), (267, 1465882), (506, 773499), (534, 732941), (759, 515666), (979, 399786), (1518, 257833), (1958, 199893), (2047, 191202), (2897, 135102), (2937, 133262), (4094, 95601), (5794, 67551), (5874, 66631), (6141, 63734), (8691, 45034), (12282, 31867), (17382, 22517)]