31122798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 76707840

約数和(自身を除く): 45585042

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 57, 86, 114, 129, 133, 258, 266, 301, 399, 602, 798, 817, 903, 907, 1634, 1806, 1814, 2451, 2721, 4902, 5442, 5719, 6349, 11438, 12698, 17157, 17233, 19047, 34314, 34466, 38094, 39001, 51699, 78002, 103398, 117003, 120631, 234006, 241262, 273007, 361893, 546014, 723786, 741019, 819021, 1482038, 1638042, 2223057, 4446114, 5187133, 10374266, 15561399, 31122798]

約数ペア:

[(1, 31122798), (2, 15561399), (3, 10374266), (6, 5187133), (7, 4446114), (14, 2223057), (19, 1638042), (21, 1482038), (38, 819021), (42, 741019), (43, 723786), (57, 546014), (86, 361893), (114, 273007), (129, 241262), (133, 234006), (258, 120631), (266, 117003), (301, 103398), (399, 78002), (602, 51699), (798, 39001), (817, 38094), (903, 34466), (907, 34314), (1634, 19047), (1806, 17233), (1814, 17157), (2451, 12698), (2721, 11438), (4902, 6349), (5442, 5719)]