220846976

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7951}}^1$

素因数の和:8003

約数の個数: 64

約数和(自身を含む): 519106560

約数和(自身を除く): 298259584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 3472, 3968, 6944, 7951, 13888, 15902, 27776, 31804, 55657, 63608, 111314, 127216, 222628, 246481, 254432, 445256, 492962, 508864, 890512, 985924, 1017728, 1725367, 1781024, 1971848, 3450734, 3562048, 3943696, 6901468, 7124096, 7887392, 13802936, 15774784, 27605872, 31549568, 55211744, 110423488, 220846976]

約数ペア:

[(1, 220846976), (2, 110423488), (4, 55211744), (7, 31549568), (8, 27605872), (14, 15774784), (16, 13802936), (28, 7887392), (31, 7124096), (32, 6901468), (56, 3943696), (62, 3562048), (64, 3450734), (112, 1971848), (124, 1781024), (128, 1725367), (217, 1017728), (224, 985924), (248, 890512), (434, 508864), (448, 492962), (496, 445256), (868, 254432), (896, 246481), (992, 222628), (1736, 127216), (1984, 111314), (3472, 63608), (3968, 55657), (6944, 31804), (7951, 27776), (13888, 15902)]