990910336

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6691}}^1$

素因数の和:6807

約数の個数: 64

約数和(自身を含む): 2150139600

約数和(自身を除く): 1159229264

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 128, 178, 208, 356, 416, 712, 832, 1157, 1424, 1664, 2314, 2848, 4628, 5696, 6691, 9256, 11392, 13382, 18512, 26764, 37024, 53528, 74048, 86983, 107056, 148096, 173966, 214112, 347932, 428224, 595499, 695864, 856448, 1190998, 1391728, 2381996, 2783456, 4763992, 5566912, 7741487, 9527984, 11133824, 15482974, 19055968, 30965948, 38111936, 61931896, 76223872, 123863792, 247727584, 495455168, 990910336]

約数ペア:

[(1, 990910336), (2, 495455168), (4, 247727584), (8, 123863792), (13, 76223872), (16, 61931896), (26, 38111936), (32, 30965948), (52, 19055968), (64, 15482974), (89, 11133824), (104, 9527984), (128, 7741487), (178, 5566912), (208, 4763992), (356, 2783456), (416, 2381996), (712, 1391728), (832, 1190998), (1157, 856448), (1424, 695864), (1664, 595499), (2314, 428224), (2848, 347932), (4628, 214112), (5696, 173966), (6691, 148096), (9256, 107056), (11392, 86983), (13382, 74048), (18512, 53528), (26764, 37024)]