1331388928

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:1033

約数の個数: 80

約数和(自身を含む): 2764358784

約数和(自身を除く): 1432969856

約数列:

[1, 2, 4, 8, 16, 32, 47, 61, 64, 94, 122, 128, 188, 244, 256, 376, 488, 512, 752, 907, 976, 1504, 1814, 1952, 2867, 3008, 3628, 3904, 5734, 6016, 7256, 7808, 11468, 12032, 14512, 15616, 22936, 24064, 29024, 31232, 42629, 45872, 55327, 58048, 85258, 91744, 110654, 116096, 170516, 183488, 221308, 232192, 341032, 366976, 442616, 464384, 682064, 733952, 885232, 1364128, 1467904, 1770464, 2600369, 2728256, 3540928, 5200738, 5456512, 7081856, 10401476, 10913024, 14163712, 20802952, 21826048, 28327424, 41605904, 83211808, 166423616, 332847232, 665694464, 1331388928]

約数ペア:

[(1, 1331388928), (2, 665694464), (4, 332847232), (8, 166423616), (16, 83211808), (32, 41605904), (47, 28327424), (61, 21826048), (64, 20802952), (94, 14163712), (122, 10913024), (128, 10401476), (188, 7081856), (244, 5456512), (256, 5200738), (376, 3540928), (488, 2728256), (512, 2600369), (752, 1770464), (907, 1467904), (976, 1364128), (1504, 885232), (1814, 733952), (1952, 682064), (2867, 464384), (3008, 442616), (3628, 366976), (3904, 341032), (5734, 232192), (6016, 221308), (7256, 183488), (7808, 170516), (11468, 116096), (12032, 110654), (14512, 91744), (15616, 85258), (22936, 58048), (24064, 55327), (29024, 45872), (31232, 42629)]