140438584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{122761}}^1$

素因数の和:122791

約数の個数: 32

約数和(自身を含む): 309360240

約数和(自身を除く): 168921656

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 122761, 245522, 491044, 982088, 1350371, 1595893, 2700742, 3191786, 5401484, 6383572, 10802968, 12767144, 17554823, 35109646, 70219292, 140438584]

約数ペア:

[(1, 140438584), (2, 70219292), (4, 35109646), (8, 17554823), (11, 12767144), (13, 10802968), (22, 6383572), (26, 5401484), (44, 3191786), (52, 2700742), (88, 1595893), (104, 1350371), (143, 982088), (286, 491044), (572, 245522), (1144, 122761)]