81904356

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 216652800

約数和(自身を除く): 134748444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 79, 93, 124, 158, 186, 237, 279, 316, 372, 474, 558, 711, 929, 948, 1116, 1422, 1858, 2449, 2787, 2844, 3716, 4898, 5574, 7347, 8361, 9796, 11148, 14694, 16722, 22041, 28799, 29388, 33444, 44082, 57598, 73391, 86397, 88164, 115196, 146782, 172794, 220173, 259191, 293564, 345588, 440346, 518382, 660519, 880692, 1036764, 1321038, 2275121, 2642076, 4550242, 6825363, 9100484, 13650726, 20476089, 27301452, 40952178, 81904356]

約数ペア:

[(1, 81904356), (2, 40952178), (3, 27301452), (4, 20476089), (6, 13650726), (9, 9100484), (12, 6825363), (18, 4550242), (31, 2642076), (36, 2275121), (62, 1321038), (79, 1036764), (93, 880692), (124, 660519), (158, 518382), (186, 440346), (237, 345588), (279, 293564), (316, 259191), (372, 220173), (474, 172794), (558, 146782), (711, 115196), (929, 88164), (948, 86397), (1116, 73391), (1422, 57598), (1858, 44082), (2449, 33444), (2787, 29388), (2844, 28799), (3716, 22041), (4898, 16722), (5574, 14694), (7347, 11148), (8361, 9796)]