128219005192

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{313}}^1\times {\mathrm{390883}}^1$

素因数の和:391333

約数の個数: 32

約数和(自身を含む): 243020400480

約数和(自身を除く): 114801395288

約数列:

[1, 2, 4, 8, 131, 262, 313, 524, 626, 1048, 1252, 2504, 41003, 82006, 164012, 328024, 390883, 781766, 1563532, 3127064, 51205673, 102411346, 122346379, 204822692, 244692758, 409645384, 489385516, 978771032, 16027375649, 32054751298, 64109502596, 128219005192]

約数ペア:

[(1, 128219005192), (2, 64109502596), (4, 32054751298), (8, 16027375649), (131, 978771032), (262, 489385516), (313, 409645384), (524, 244692758), (626, 204822692), (1048, 122346379), (1252, 102411346), (2504, 51205673), (41003, 3127064), (82006, 1563532), (164012, 781766), (328024, 390883)]