889173775

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{653}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 1307916288

約数和(自身を除く): 418742513

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 251, 653, 775, 1085, 1255, 1757, 3265, 4571, 5425, 6275, 7781, 8785, 16325, 20243, 22855, 38905, 43925, 54467, 101215, 114275, 141701, 163903, 194525, 272335, 506075, 708505, 819515, 1147321, 1361675, 3542525, 4097575, 5080993, 5736605, 25404965, 28683025, 35566951, 127024825, 177834755, 889173775]

約数ペア:

[(1, 889173775), (5, 177834755), (7, 127024825), (25, 35566951), (31, 28683025), (35, 25404965), (155, 5736605), (175, 5080993), (217, 4097575), (251, 3542525), (653, 1361675), (775, 1147321), (1085, 819515), (1255, 708505), (1757, 506075), (3265, 272335), (4571, 194525), (5425, 163903), (6275, 141701), (7781, 114275), (8785, 101215), (16325, 54467), (20243, 43925), (22855, 38905)]