989147008

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3511}}^1$

素因数の和:3627

約数の個数: 64

約数和(自身を含む): 2063370240

約数和(自身を除く): 1074223232

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 248, 284, 496, 568, 992, 1136, 1984, 2201, 2272, 3511, 3968, 4402, 4544, 7022, 8804, 9088, 14044, 17608, 28088, 35216, 56176, 70432, 108841, 112352, 140864, 217682, 224704, 249281, 281728, 435364, 449408, 498562, 870728, 997124, 1741456, 1994248, 3482912, 3988496, 6965824, 7727711, 7976992, 13931648, 15455422, 15953984, 30910844, 31907968, 61821688, 123643376, 247286752, 494573504, 989147008]

約数ペア:

[(1, 989147008), (2, 494573504), (4, 247286752), (8, 123643376), (16, 61821688), (31, 31907968), (32, 30910844), (62, 15953984), (64, 15455422), (71, 13931648), (124, 7976992), (128, 7727711), (142, 6965824), (248, 3988496), (284, 3482912), (496, 1994248), (568, 1741456), (992, 997124), (1136, 870728), (1984, 498562), (2201, 449408), (2272, 435364), (3511, 281728), (3968, 249281), (4402, 224704), (4544, 217682), (7022, 140864), (8804, 112352), (9088, 108841), (14044, 70432), (17608, 56176), (28088, 35216)]