1900500091

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1\times {\mathrm{683}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 2344204800

約数和(自身を除く): 443704709

約数列:

[1, 7, 17, 67, 119, 349, 469, 683, 1139, 2443, 4781, 5933, 7973, 11611, 23383, 41531, 45761, 81277, 163681, 238367, 320327, 397511, 777937, 1668569, 2782577, 4052239, 5445559, 15970589, 28365673, 111794123, 271500013, 1900500091]

約数ペア:

[(1, 1900500091), (7, 271500013), (17, 111794123), (67, 28365673), (119, 15970589), (349, 5445559), (469, 4052239), (683, 2782577), (1139, 1668569), (2443, 777937), (4781, 397511), (5933, 320327), (7973, 238367), (11611, 163681), (23383, 81277), (41531, 45761)]