1993779968

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2551}}^1$

素因数の和:2681

約数の個数: 72

約数和(自身を含む): 4131300096

約数和(自身を除く): 2137520128

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 71, 86, 128, 142, 172, 256, 284, 344, 568, 688, 1136, 1376, 2272, 2551, 2752, 3053, 4544, 5102, 5504, 6106, 9088, 10204, 11008, 12212, 18176, 20408, 24424, 40816, 48848, 81632, 97696, 109693, 163264, 181121, 195392, 219386, 326528, 362242, 390784, 438772, 653056, 724484, 781568, 877544, 1448968, 1755088, 2897936, 3510176, 5795872, 7020352, 7788203, 11591744, 14040704, 15576406, 23183488, 28081408, 31152812, 46366976, 62305624, 124611248, 249222496, 498444992, 996889984, 1993779968]

約数ペア:

[(1, 1993779968), (2, 996889984), (4, 498444992), (8, 249222496), (16, 124611248), (32, 62305624), (43, 46366976), (64, 31152812), (71, 28081408), (86, 23183488), (128, 15576406), (142, 14040704), (172, 11591744), (256, 7788203), (284, 7020352), (344, 5795872), (568, 3510176), (688, 2897936), (1136, 1755088), (1376, 1448968), (2272, 877544), (2551, 781568), (2752, 724484), (3053, 653056), (4544, 438772), (5102, 390784), (5504, 362242), (6106, 326528), (9088, 219386), (10204, 195392), (11008, 181121), (12212, 163264), (18176, 109693), (20408, 97696), (24424, 81632), (40816, 48848)]