821427968

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1181

約数の個数: 72

約数和(自身を含む): 1703028096

約数和(自身を除く): 881600128

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 71, 86, 128, 142, 172, 256, 284, 344, 568, 688, 1051, 1136, 1376, 2102, 2272, 2752, 3053, 4204, 4544, 5504, 6106, 8408, 9088, 11008, 12212, 16816, 18176, 24424, 33632, 45193, 48848, 67264, 74621, 90386, 97696, 134528, 149242, 180772, 195392, 269056, 298484, 361544, 390784, 596968, 723088, 781568, 1193936, 1446176, 2387872, 2892352, 3208703, 4775744, 5784704, 6417406, 9551488, 11569408, 12834812, 19102976, 25669624, 51339248, 102678496, 205356992, 410713984, 821427968]

約数ペア:

[(1, 821427968), (2, 410713984), (4, 205356992), (8, 102678496), (16, 51339248), (32, 25669624), (43, 19102976), (64, 12834812), (71, 11569408), (86, 9551488), (128, 6417406), (142, 5784704), (172, 4775744), (256, 3208703), (284, 2892352), (344, 2387872), (568, 1446176), (688, 1193936), (1051, 781568), (1136, 723088), (1376, 596968), (2102, 390784), (2272, 361544), (2752, 298484), (3053, 269056), (4204, 195392), (4544, 180772), (5504, 149242), (6106, 134528), (8408, 97696), (9088, 90386), (11008, 74621), (12212, 67264), (16816, 48848), (18176, 45193), (24424, 33632)]