31388076

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 84484400

約数和(自身を除く): 53096324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 109, 114, 171, 218, 228, 327, 342, 421, 436, 654, 684, 842, 981, 1263, 1308, 1684, 1962, 2071, 2526, 3789, 3924, 4142, 5052, 6213, 7578, 7999, 8284, 12426, 15156, 15998, 18639, 23997, 24852, 31996, 37278, 45889, 47994, 71991, 74556, 91778, 95988, 137667, 143982, 183556, 275334, 287964, 413001, 550668, 826002, 871891, 1652004, 1743782, 2615673, 3487564, 5231346, 7847019, 10462692, 15694038, 31388076]

約数ペア:

[(1, 31388076), (2, 15694038), (3, 10462692), (4, 7847019), (6, 5231346), (9, 3487564), (12, 2615673), (18, 1743782), (19, 1652004), (36, 871891), (38, 826002), (57, 550668), (76, 413001), (109, 287964), (114, 275334), (171, 183556), (218, 143982), (228, 137667), (327, 95988), (342, 91778), (421, 74556), (436, 71991), (654, 47994), (684, 45889), (842, 37278), (981, 31996), (1263, 24852), (1308, 23997), (1684, 18639), (1962, 15998), (2071, 15156), (2526, 12426), (3789, 8284), (3924, 7999), (4142, 7578), (5052, 6213)]