128215231876

素因数分解:

$2^2\times {\mathrm{331}}^1\times {\mathrm{739}}^1\times {\mathrm{131041}}^1$

素因数の和:132115

約数の個数: 24

約数和(自身を含む): 225360789920

約数和(自身を除く): 97145558044

約数列:

[1, 2, 4, 331, 662, 739, 1324, 1478, 2956, 131041, 244609, 262082, 489218, 524164, 978436, 43374571, 86749142, 96839299, 173498284, 193678598, 387357196, 32053807969, 64107615938, 128215231876]

約数ペア:

[(1, 128215231876), (2, 64107615938), (4, 32053807969), (331, 387357196), (662, 193678598), (739, 173498284), (1324, 96839299), (1478, 86749142), (2956, 43374571), (131041, 978436), (244609, 524164), (262082, 489218)]