28131324

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9491}}^1$

素因数の和:9530

約数の個数: 48

約数和(自身を含む): 74417280

約数和(自身を除く): 46285956

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 9491, 18982, 28473, 37964, 56946, 113892, 123383, 180329, 246766, 360658, 370149, 493532, 540987, 721316, 740298, 1081974, 1480596, 2163948, 2344277, 4688554, 7032831, 9377108, 14065662, 28131324]

約数ペア:

[(1, 28131324), (2, 14065662), (3, 9377108), (4, 7032831), (6, 4688554), (12, 2344277), (13, 2163948), (19, 1480596), (26, 1081974), (38, 740298), (39, 721316), (52, 540987), (57, 493532), (76, 370149), (78, 360658), (114, 246766), (156, 180329), (228, 123383), (247, 113892), (494, 56946), (741, 37964), (988, 28473), (1482, 18982), (2964, 9491)]