31425136

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:641

約数の個数: 40

約数和(自身を含む): 63235040

約数和(自身を除く): 31809904

約数列:

[1, 2, 4, 8, 16, 37, 74, 109, 148, 218, 296, 436, 487, 592, 872, 974, 1744, 1948, 3896, 4033, 7792, 8066, 16132, 18019, 32264, 36038, 53083, 64528, 72076, 106166, 144152, 212332, 288304, 424664, 849328, 1964071, 3928142, 7856284, 15712568, 31425136]

約数ペア:

[(1, 31425136), (2, 15712568), (4, 7856284), (8, 3928142), (16, 1964071), (37, 849328), (74, 424664), (109, 288304), (148, 212332), (218, 144152), (296, 106166), (436, 72076), (487, 64528), (592, 53083), (872, 36038), (974, 32264), (1744, 18019), (1948, 16132), (3896, 8066), (4033, 7792)]