81197765888

素因数分解:

$2^8\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{35059}}^1$

素因数の和:35267

約数の個数: 72

約数和(自身を含む): 165540698400

約数和(自身を除く): 84342932512

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 109, 128, 166, 218, 256, 332, 436, 664, 872, 1328, 1744, 2656, 3488, 5312, 6976, 9047, 10624, 13952, 18094, 21248, 27904, 35059, 36188, 70118, 72376, 140236, 144752, 280472, 289504, 560944, 579008, 1121888, 1158016, 2243776, 2316032, 2909897, 3821431, 4487552, 5819794, 7642862, 8975104, 11639588, 15285724, 23279176, 30571448, 46558352, 61142896, 93116704, 122285792, 186233408, 244571584, 317178773, 372466816, 489143168, 634357546, 744933632, 978286336, 1268715092, 2537430184, 5074860368, 10149720736, 20299441472, 40598882944, 81197765888]

約数ペア:

[(1, 81197765888), (2, 40598882944), (4, 20299441472), (8, 10149720736), (16, 5074860368), (32, 2537430184), (64, 1268715092), (83, 978286336), (109, 744933632), (128, 634357546), (166, 489143168), (218, 372466816), (256, 317178773), (332, 244571584), (436, 186233408), (664, 122285792), (872, 93116704), (1328, 61142896), (1744, 46558352), (2656, 30571448), (3488, 23279176), (5312, 15285724), (6976, 11639588), (9047, 8975104), (10624, 7642862), (13952, 5819794), (18094, 4487552), (21248, 3821431), (27904, 2909897), (35059, 2316032), (36188, 2243776), (70118, 1158016), (72376, 1121888), (140236, 579008), (144752, 560944), (280472, 289504)]