31357144

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2267}}^1$

素因数の和:2312

約数の個数: 64

約数和(自身を含む): 76204800

約数和(自身を除く): 44847656

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 2267, 3458, 4534, 6916, 9068, 13832, 15869, 18136, 29471, 31738, 43073, 58942, 63476, 86146, 117884, 126952, 172292, 206297, 235768, 301511, 344584, 412594, 559949, 603022, 825188, 1119898, 1206044, 1650376, 2239796, 2412088, 3919643, 4479592, 7839286, 15678572, 31357144]

約数ペア:

[(1, 31357144), (2, 15678572), (4, 7839286), (7, 4479592), (8, 3919643), (13, 2412088), (14, 2239796), (19, 1650376), (26, 1206044), (28, 1119898), (38, 825188), (52, 603022), (56, 559949), (76, 412594), (91, 344584), (104, 301511), (133, 235768), (152, 206297), (182, 172292), (247, 126952), (266, 117884), (364, 86146), (494, 63476), (532, 58942), (728, 43073), (988, 31738), (1064, 29471), (1729, 18136), (1976, 15869), (2267, 13832), (3458, 9068), (4534, 6916)]