29991136

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:672

約数の個数: 72

約数和(自身を含む): 71015616

約数和(自身を除く): 41024480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 392, 434, 496, 617, 784, 868, 992, 1234, 1519, 1568, 1736, 2468, 3038, 3472, 4319, 4936, 6076, 6944, 8638, 9872, 12152, 17276, 19127, 19744, 24304, 30233, 34552, 38254, 48608, 60466, 69104, 76508, 120932, 133889, 138208, 153016, 241864, 267778, 306032, 483728, 535556, 612064, 937223, 967456, 1071112, 1874446, 2142224, 3748892, 4284448, 7497784, 14995568, 29991136]

約数ペア:

[(1, 29991136), (2, 14995568), (4, 7497784), (7, 4284448), (8, 3748892), (14, 2142224), (16, 1874446), (28, 1071112), (31, 967456), (32, 937223), (49, 612064), (56, 535556), (62, 483728), (98, 306032), (112, 267778), (124, 241864), (196, 153016), (217, 138208), (224, 133889), (248, 120932), (392, 76508), (434, 69104), (496, 60466), (617, 48608), (784, 38254), (868, 34552), (992, 30233), (1234, 24304), (1519, 19744), (1568, 19127), (1736, 17276), (2468, 12152), (3038, 9872), (3472, 8638), (4319, 6944), (4936, 6076)]