198492938

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 369819648

約数和(自身を除く): 171326710

約数列:

[1, 2, 7, 14, 31, 37, 47, 62, 74, 94, 217, 259, 263, 329, 434, 518, 526, 658, 1147, 1457, 1739, 1841, 2294, 2914, 3478, 3682, 8029, 8153, 9731, 10199, 12173, 12361, 16058, 16306, 19462, 20398, 24346, 24722, 53909, 57071, 68117, 86527, 107818, 114142, 136234, 173054, 301661, 377363, 383191, 457357, 603322, 754726, 766382, 914714, 2111627, 2682337, 3201499, 4223254, 5364674, 6402998, 14178067, 28356134, 99246469, 198492938]

約数ペア:

[(1, 198492938), (2, 99246469), (7, 28356134), (14, 14178067), (31, 6402998), (37, 5364674), (47, 4223254), (62, 3201499), (74, 2682337), (94, 2111627), (217, 914714), (259, 766382), (263, 754726), (329, 603322), (434, 457357), (518, 383191), (526, 377363), (658, 301661), (1147, 173054), (1457, 136234), (1739, 114142), (1841, 107818), (2294, 86527), (2914, 68117), (3478, 57071), (3682, 53909), (8029, 24722), (8153, 24346), (9731, 20398), (10199, 19462), (12173, 16306), (12361, 16058)]