87378956

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 187076736

約数和(自身を除く): 99697780

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 73, 98, 124, 146, 196, 197, 217, 292, 394, 434, 511, 788, 868, 1022, 1379, 1519, 2044, 2263, 2758, 3038, 3577, 4526, 5516, 6076, 6107, 7154, 9052, 9653, 12214, 14308, 14381, 15841, 19306, 24428, 28762, 31682, 38612, 42749, 57524, 63364, 85498, 100667, 110887, 170996, 201334, 221774, 299243, 402668, 443548, 445811, 598486, 704669, 891622, 1196972, 1409338, 1783244, 2818676, 3120677, 6241354, 12482708, 21844739, 43689478, 87378956]

約数ペア:

[(1, 87378956), (2, 43689478), (4, 21844739), (7, 12482708), (14, 6241354), (28, 3120677), (31, 2818676), (49, 1783244), (62, 1409338), (73, 1196972), (98, 891622), (124, 704669), (146, 598486), (196, 445811), (197, 443548), (217, 402668), (292, 299243), (394, 221774), (434, 201334), (511, 170996), (788, 110887), (868, 100667), (1022, 85498), (1379, 63364), (1519, 57524), (2044, 42749), (2263, 38612), (2758, 31682), (3038, 28762), (3577, 24428), (4526, 19306), (5516, 15841), (6076, 14381), (6107, 14308), (7154, 12214), (9052, 9653)]