161761348

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 345246720

約数和(自身を除く): 183485372

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 79, 98, 124, 158, 196, 217, 316, 337, 434, 553, 674, 868, 1106, 1348, 1519, 2212, 2359, 2449, 3038, 3871, 4718, 4898, 6076, 7742, 9436, 9796, 10447, 15484, 16513, 17143, 20894, 26623, 33026, 34286, 41788, 53246, 66052, 68572, 73129, 106492, 120001, 146258, 186361, 240002, 292516, 372722, 480004, 511903, 745444, 825313, 1023806, 1304527, 1650626, 2047612, 2609054, 3301252, 5218108, 5777191, 11554382, 23108764, 40440337, 80880674, 161761348]

約数ペア:

[(1, 161761348), (2, 80880674), (4, 40440337), (7, 23108764), (14, 11554382), (28, 5777191), (31, 5218108), (49, 3301252), (62, 2609054), (79, 2047612), (98, 1650626), (124, 1304527), (158, 1023806), (196, 825313), (217, 745444), (316, 511903), (337, 480004), (434, 372722), (553, 292516), (674, 240002), (868, 186361), (1106, 146258), (1348, 120001), (1519, 106492), (2212, 73129), (2359, 68572), (2449, 66052), (3038, 53246), (3871, 41788), (4718, 34286), (4898, 33026), (6076, 26623), (7742, 20894), (9436, 17143), (9796, 16513), (10447, 15484)]