8749125505

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 11508811776

約数和(自身を除く): 2759686271

約数列:

[1, 5, 31, 41, 43, 101, 155, 205, 215, 317, 505, 1271, 1333, 1585, 1763, 3131, 4141, 4343, 6355, 6665, 8815, 9827, 12997, 13631, 15655, 20705, 21715, 32017, 49135, 54653, 64985, 68155, 128371, 134633, 160085, 178063, 273265, 402907, 422561, 558871, 641855, 673165, 890315, 992527, 1312697, 1376731, 2014535, 2112805, 2794355, 4962635, 5519953, 6563485, 6883655, 17325001, 27599765, 40693607, 42678661, 56445971, 86625005, 203468035, 213393305, 282229855, 1749825101, 8749125505]

約数ペア:

[(1, 8749125505), (5, 1749825101), (31, 282229855), (41, 213393305), (43, 203468035), (101, 86625005), (155, 56445971), (205, 42678661), (215, 40693607), (317, 27599765), (505, 17325001), (1271, 6883655), (1333, 6563485), (1585, 5519953), (1763, 4962635), (3131, 2794355), (4141, 2112805), (4343, 2014535), (6355, 1376731), (6665, 1312697), (8815, 992527), (9827, 890315), (12997, 673165), (13631, 641855), (15655, 558871), (20705, 422561), (21715, 402907), (32017, 273265), (49135, 178063), (54653, 160085), (64985, 134633), (68155, 128371)]