31420186

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 60318720

約数和(自身を除く): 28898534

約数列:

[1, 2, 7, 14, 19, 38, 41, 43, 67, 82, 86, 133, 134, 266, 287, 301, 469, 574, 602, 779, 817, 938, 1273, 1558, 1634, 1763, 2546, 2747, 2881, 3526, 5453, 5494, 5719, 5762, 8911, 10906, 11438, 12341, 17822, 19229, 20167, 24682, 33497, 38458, 40334, 52193, 54739, 66994, 104386, 109478, 118121, 234479, 236242, 365351, 383173, 468958, 730702, 766346, 826847, 1653694, 2244299, 4488598, 15710093, 31420186]

約数ペア:

[(1, 31420186), (2, 15710093), (7, 4488598), (14, 2244299), (19, 1653694), (38, 826847), (41, 766346), (43, 730702), (67, 468958), (82, 383173), (86, 365351), (133, 236242), (134, 234479), (266, 118121), (287, 109478), (301, 104386), (469, 66994), (574, 54739), (602, 52193), (779, 40334), (817, 38458), (938, 33497), (1273, 24682), (1558, 20167), (1634, 19229), (1763, 17822), (2546, 12341), (2747, 11438), (2881, 10906), (3526, 8911), (5453, 5762), (5494, 5719)]