31289154

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 71414784

約数和(自身を除く): 40125630

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 107, 138, 163, 214, 299, 321, 326, 489, 598, 642, 897, 978, 1391, 1794, 2119, 2461, 2782, 3749, 4173, 4238, 4922, 6357, 7383, 7498, 8346, 11247, 12714, 14766, 17441, 22494, 31993, 34882, 48737, 52323, 63986, 95979, 97474, 104646, 146211, 191958, 226733, 292422, 401143, 453466, 680199, 802286, 1203429, 1360398, 2406858, 5214859, 10429718, 15644577, 31289154]

約数ペア:

[(1, 31289154), (2, 15644577), (3, 10429718), (6, 5214859), (13, 2406858), (23, 1360398), (26, 1203429), (39, 802286), (46, 680199), (69, 453466), (78, 401143), (107, 292422), (138, 226733), (163, 191958), (214, 146211), (299, 104646), (321, 97474), (326, 95979), (489, 63986), (598, 52323), (642, 48737), (897, 34882), (978, 31993), (1391, 22494), (1794, 17441), (2119, 14766), (2461, 12714), (2782, 11247), (3749, 8346), (4173, 7498), (4238, 7383), (4922, 6357)]