31719688

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 84913920

約数和(自身を除く): 53194232

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 56, 68, 77, 88, 91, 104, 119, 136, 143, 154, 182, 187, 221, 233, 238, 286, 308, 364, 374, 442, 466, 476, 572, 616, 728, 748, 884, 932, 952, 1001, 1144, 1309, 1496, 1547, 1631, 1768, 1864, 2002, 2431, 2563, 2618, 3029, 3094, 3262, 3961, 4004, 4862, 5126, 5236, 6058, 6188, 6524, 7922, 8008, 9724, 10252, 10472, 12116, 12376, 13048, 15844, 17017, 17941, 19448, 20504, 21203, 24232, 27727, 31688, 33319, 34034, 35882, 42406, 43571, 51493, 55454, 66638, 68068, 71764, 84812, 87142, 102986, 110908, 133276, 136136, 143528, 169624, 174284, 205972, 221816, 233233, 266552, 304997, 348568, 360451, 411944, 466466, 566423, 609994, 720902, 932932, 1132846, 1219988, 1441804, 1865864, 2265692, 2439976, 2883608, 3964961, 4531384, 7929922, 15859844, 31719688]

約数ペア:

[(1, 31719688), (2, 15859844), (4, 7929922), (7, 4531384), (8, 3964961), (11, 2883608), (13, 2439976), (14, 2265692), (17, 1865864), (22, 1441804), (26, 1219988), (28, 1132846), (34, 932932), (44, 720902), (52, 609994), (56, 566423), (68, 466466), (77, 411944), (88, 360451), (91, 348568), (104, 304997), (119, 266552), (136, 233233), (143, 221816), (154, 205972), (182, 174284), (187, 169624), (221, 143528), (233, 136136), (238, 133276), (286, 110908), (308, 102986), (364, 87142), (374, 84812), (442, 71764), (466, 68068), (476, 66638), (572, 55454), (616, 51493), (728, 43571), (748, 42406), (884, 35882), (932, 34034), (952, 33319), (1001, 31688), (1144, 27727), (1309, 24232), (1496, 21203), (1547, 20504), (1631, 19448), (1768, 17941), (1864, 17017), (2002, 15844), (2431, 13048), (2563, 12376), (2618, 12116), (3029, 10472), (3094, 10252), (3262, 9724), (3961, 8008), (4004, 7922), (4862, 6524), (5126, 6188), (5236, 6058)]