128905192

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{39983}}^1$

素因数の和:40033

約数の個数: 32

約数和(自身を含む): 268692480

約数和(自身を除く): 139787288

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 39983, 79966, 159932, 319864, 519779, 1039558, 1239473, 2079116, 2478946, 4158232, 4957892, 9915784, 16113149, 32226298, 64452596, 128905192]

約数ペア:

[(1, 128905192), (2, 64452596), (4, 32226298), (8, 16113149), (13, 9915784), (26, 4957892), (31, 4158232), (52, 2478946), (62, 2079116), (104, 1239473), (124, 1039558), (248, 519779), (403, 319864), (806, 159932), (1612, 79966), (3224, 39983)]