81178678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5003}}^1$

素因数の和:5092

約数の個数: 32

約数和(自身を含む): 148919040

約数和(自身を除く): 67740362

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 266, 427, 854, 1159, 2318, 5003, 8113, 10006, 16226, 35021, 70042, 95057, 190114, 305183, 610366, 665399, 1330798, 2136281, 4272562, 5798477, 11596954, 40589339, 81178678]

約数ペア:

[(1, 81178678), (2, 40589339), (7, 11596954), (14, 5798477), (19, 4272562), (38, 2136281), (61, 1330798), (122, 665399), (133, 610366), (266, 305183), (427, 190114), (854, 95057), (1159, 70042), (2318, 35021), (5003, 16226), (8113, 10006)]