55680898

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 108380160

約数和(自身を除く): 52699262

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 71, 91, 139, 142, 182, 217, 278, 403, 434, 497, 806, 923, 973, 994, 1807, 1846, 1946, 2201, 2821, 3614, 4309, 4402, 5642, 6461, 8618, 9869, 12649, 12922, 15407, 19738, 25298, 28613, 30163, 30814, 56017, 57226, 60326, 69083, 112034, 128297, 138166, 200291, 256594, 305939, 392119, 400582, 611878, 784238, 898079, 1796158, 2141573, 3977207, 4283146, 7954414, 27840449, 55680898]

約数ペア:

[(1, 55680898), (2, 27840449), (7, 7954414), (13, 4283146), (14, 3977207), (26, 2141573), (31, 1796158), (62, 898079), (71, 784238), (91, 611878), (139, 400582), (142, 392119), (182, 305939), (217, 256594), (278, 200291), (403, 138166), (434, 128297), (497, 112034), (806, 69083), (923, 60326), (973, 57226), (994, 56017), (1807, 30814), (1846, 30163), (1946, 28613), (2201, 25298), (2821, 19738), (3614, 15407), (4309, 12922), (4402, 12649), (5642, 9869), (6461, 8618)]