16561896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 45091200

約数和(自身を除く): 28529304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 487, 654, 872, 974, 1308, 1417, 1461, 1948, 2616, 2834, 2922, 3896, 4251, 5668, 5844, 6331, 8502, 11336, 11688, 12662, 17004, 18993, 25324, 34008, 37986, 50648, 53083, 75972, 106166, 151944, 159249, 212332, 318498, 424664, 636996, 690079, 1273992, 1380158, 2070237, 2760316, 4140474, 5520632, 8280948, 16561896]

約数ペア:

[(1, 16561896), (2, 8280948), (3, 5520632), (4, 4140474), (6, 2760316), (8, 2070237), (12, 1380158), (13, 1273992), (24, 690079), (26, 636996), (39, 424664), (52, 318498), (78, 212332), (104, 159249), (109, 151944), (156, 106166), (218, 75972), (312, 53083), (327, 50648), (436, 37986), (487, 34008), (654, 25324), (872, 18993), (974, 17004), (1308, 12662), (1417, 11688), (1461, 11336), (1948, 8502), (2616, 6331), (2834, 5844), (2922, 5668), (3896, 4251)]