89490568

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 180576000

約数和(自身を除く): 91085432

約数列:

[1, 2, 4, 8, 37, 43, 74, 79, 86, 89, 148, 158, 172, 178, 296, 316, 344, 356, 632, 712, 1591, 2923, 3182, 3293, 3397, 3827, 5846, 6364, 6586, 6794, 7031, 7654, 11692, 12728, 13172, 13588, 14062, 15308, 23384, 26344, 27176, 28124, 30616, 56248, 125689, 141599, 251378, 260147, 283198, 302333, 502756, 520294, 566396, 604666, 1005512, 1040588, 1132792, 1209332, 2081176, 2418664, 11186321, 22372642, 44745284, 89490568]

約数ペア:

[(1, 89490568), (2, 44745284), (4, 22372642), (8, 11186321), (37, 2418664), (43, 2081176), (74, 1209332), (79, 1132792), (86, 1040588), (89, 1005512), (148, 604666), (158, 566396), (172, 520294), (178, 502756), (296, 302333), (316, 283198), (344, 260147), (356, 251378), (632, 141599), (712, 125689), (1591, 56248), (2923, 30616), (3182, 28124), (3293, 27176), (3397, 26344), (3827, 23384), (5846, 15308), (6364, 14062), (6586, 13588), (6794, 13172), (7031, 12728), (7654, 11692)]