71953945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 111476736

約数和(自身を除く): 39522791

約数列:

[1, 5, 7, 17, 31, 35, 47, 83, 85, 119, 155, 217, 235, 329, 415, 527, 581, 595, 799, 1085, 1411, 1457, 1645, 2573, 2635, 2905, 3689, 3901, 3995, 5593, 7055, 7285, 9877, 10199, 12865, 18011, 18445, 19505, 24769, 27307, 27965, 43741, 49385, 50995, 66317, 90055, 120931, 123845, 136535, 173383, 218705, 306187, 331585, 464219, 604655, 846517, 866915, 1530935, 2055827, 2321095, 4232585, 10279135, 14390789, 71953945]

約数ペア:

[(1, 71953945), (5, 14390789), (7, 10279135), (17, 4232585), (31, 2321095), (35, 2055827), (47, 1530935), (83, 866915), (85, 846517), (119, 604655), (155, 464219), (217, 331585), (235, 306187), (329, 218705), (415, 173383), (527, 136535), (581, 123845), (595, 120931), (799, 90055), (1085, 66317), (1411, 50995), (1457, 49385), (1645, 43741), (2573, 27965), (2635, 27307), (2905, 24769), (3689, 19505), (3901, 18445), (3995, 18011), (5593, 12865), (7055, 10199), (7285, 9877)]