997490138398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{248789}}^1$

素因数の和:249061

約数の個数: 64

約数和(自身を含む): 1751449754880

約数和(自身を除く): 753959616482

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 193, 221, 386, 442, 611, 799, 1222, 1598, 2509, 3281, 5018, 6562, 9071, 10387, 18142, 20774, 42653, 85306, 117923, 154207, 235846, 248789, 308414, 497578, 2004691, 3234257, 4009382, 4229413, 6468514, 8458826, 11693083, 23386166, 48016277, 54982369, 96032554, 109964738, 152010079, 198782411, 304020158, 397564822, 624211601, 816276709, 1248423202, 1632553418, 2256765019, 2584171343, 4513530038, 5168342686, 10611597217, 21223194434, 29337945247, 38365005323, 58675890494, 76730010646, 498745069199, 997490138398]

約数ペア:

[(1, 997490138398), (2, 498745069199), (13, 76730010646), (17, 58675890494), (26, 38365005323), (34, 29337945247), (47, 21223194434), (94, 10611597217), (193, 5168342686), (221, 4513530038), (386, 2584171343), (442, 2256765019), (611, 1632553418), (799, 1248423202), (1222, 816276709), (1598, 624211601), (2509, 397564822), (3281, 304020158), (5018, 198782411), (6562, 152010079), (9071, 109964738), (10387, 96032554), (18142, 54982369), (20774, 48016277), (42653, 23386166), (85306, 11693083), (117923, 8458826), (154207, 6468514), (235846, 4229413), (248789, 4009382), (308414, 3234257), (497578, 2004691)]