31868837

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 44974080

約数和(自身を除く): 13105243

約数列:

[1, 7, 11, 13, 31, 77, 79, 91, 143, 169, 217, 341, 403, 553, 869, 1001, 1027, 1183, 1859, 2387, 2449, 2821, 4433, 5239, 6083, 7189, 11297, 13013, 13351, 17143, 26939, 31031, 31837, 36673, 57629, 79079, 93457, 146861, 188573, 222859, 350207, 403403, 413881, 1028027, 2451449, 2897167, 4552691, 31868837]

約数ペア:

[(1, 31868837), (7, 4552691), (11, 2897167), (13, 2451449), (31, 1028027), (77, 413881), (79, 403403), (91, 350207), (143, 222859), (169, 188573), (217, 146861), (341, 93457), (403, 79079), (553, 57629), (869, 36673), (1001, 31837), (1027, 31031), (1183, 26939), (1859, 17143), (2387, 13351), (2449, 13013), (2821, 11297), (4433, 7189), (5239, 6083)]