31211892

素因数分解:

$2^2\times 3^5\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 82738656

約数和(自身を除く): 51526764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 163, 197, 243, 324, 326, 394, 486, 489, 591, 652, 788, 972, 978, 1182, 1467, 1773, 1956, 2364, 2934, 3546, 4401, 5319, 5868, 7092, 8802, 10638, 13203, 15957, 17604, 21276, 26406, 31914, 32111, 39609, 47871, 52812, 63828, 64222, 79218, 95742, 96333, 128444, 158436, 191484, 192666, 288999, 385332, 577998, 866997, 1155996, 1733994, 2600991, 3467988, 5201982, 7802973, 10403964, 15605946, 31211892]

約数ペア:

[(1, 31211892), (2, 15605946), (3, 10403964), (4, 7802973), (6, 5201982), (9, 3467988), (12, 2600991), (18, 1733994), (27, 1155996), (36, 866997), (54, 577998), (81, 385332), (108, 288999), (162, 192666), (163, 191484), (197, 158436), (243, 128444), (324, 96333), (326, 95742), (394, 79218), (486, 64222), (489, 63828), (591, 52812), (652, 47871), (788, 39609), (972, 32111), (978, 31914), (1182, 26406), (1467, 21276), (1773, 17604), (1956, 15957), (2364, 13203), (2934, 10638), (3546, 8802), (4401, 7092), (5319, 5868)]