256844672

素因数分解:

$2^7\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1380

約数の個数: 96

約数和(自身を含む): 614888640

約数和(自身を除く): 358043968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 248, 392, 434, 448, 496, 784, 868, 896, 992, 1321, 1519, 1568, 1736, 1984, 2642, 3038, 3136, 3472, 3968, 5284, 6076, 6272, 6944, 9247, 10568, 12152, 13888, 18494, 21136, 24304, 27776, 36988, 40951, 42272, 48608, 64729, 73976, 81902, 84544, 97216, 129458, 147952, 163804, 169088, 194432, 258916, 286657, 295904, 327608, 517832, 573314, 591808, 655216, 1035664, 1146628, 1183616, 1310432, 2006599, 2071328, 2293256, 2620864, 4013198, 4142656, 4586512, 5241728, 8026396, 8285312, 9173024, 16052792, 18346048, 32105584, 36692096, 64211168, 128422336, 256844672]

約数ペア:

[(1, 256844672), (2, 128422336), (4, 64211168), (7, 36692096), (8, 32105584), (14, 18346048), (16, 16052792), (28, 9173024), (31, 8285312), (32, 8026396), (49, 5241728), (56, 4586512), (62, 4142656), (64, 4013198), (98, 2620864), (112, 2293256), (124, 2071328), (128, 2006599), (196, 1310432), (217, 1183616), (224, 1146628), (248, 1035664), (392, 655216), (434, 591808), (448, 573314), (496, 517832), (784, 327608), (868, 295904), (896, 286657), (992, 258916), (1321, 194432), (1519, 169088), (1568, 163804), (1736, 147952), (1984, 129458), (2642, 97216), (3038, 84544), (3136, 81902), (3472, 73976), (3968, 64729), (5284, 48608), (6076, 42272), (6272, 40951), (6944, 36988), (9247, 27776), (10568, 24304), (12152, 21136), (13888, 18494)]