87406396

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 197188992

約数和(自身を除く): 109782596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 142, 154, 196, 284, 308, 497, 539, 571, 781, 994, 1078, 1142, 1562, 1988, 2156, 2284, 3124, 3479, 3997, 5467, 6281, 6958, 7994, 10934, 12562, 13916, 15988, 21868, 25124, 27979, 38269, 40541, 43967, 55958, 76538, 81082, 87934, 111916, 153076, 162164, 175868, 283787, 307769, 445951, 567574, 615538, 891902, 1135148, 1231076, 1783804, 1986509, 3121657, 3973018, 6243314, 7946036, 12486628, 21851599, 43703198, 87406396]

約数ペア:

[(1, 87406396), (2, 43703198), (4, 21851599), (7, 12486628), (11, 7946036), (14, 6243314), (22, 3973018), (28, 3121657), (44, 1986509), (49, 1783804), (71, 1231076), (77, 1135148), (98, 891902), (142, 615538), (154, 567574), (196, 445951), (284, 307769), (308, 283787), (497, 175868), (539, 162164), (571, 153076), (781, 111916), (994, 87934), (1078, 81082), (1142, 76538), (1562, 55958), (1988, 43967), (2156, 40541), (2284, 38269), (3124, 27979), (3479, 25124), (3997, 21868), (5467, 15988), (6281, 13916), (6958, 12562), (7994, 10934)]