42128528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3023}}^1$

素因数の和:3111

約数の個数: 40

約数和(自身を含む): 89244288

約数和(自身を除く): 47115760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3023, 3484, 6046, 6968, 12092, 13936, 24184, 39299, 48368, 78598, 157196, 202541, 314392, 405082, 628784, 810164, 1620328, 2633033, 3240656, 5266066, 10532132, 21064264, 42128528]

約数ペア:

[(1, 42128528), (2, 21064264), (4, 10532132), (8, 5266066), (13, 3240656), (16, 2633033), (26, 1620328), (52, 810164), (67, 628784), (104, 405082), (134, 314392), (208, 202541), (268, 157196), (536, 78598), (871, 48368), (1072, 39299), (1742, 24184), (3023, 13936), (3484, 12092), (6046, 6968)]