81224248

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 180576000

約数和(自身を除く): 99351752

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 89, 172, 178, 301, 344, 356, 379, 602, 623, 712, 758, 1204, 1246, 1516, 2408, 2492, 2653, 3032, 3827, 4984, 5306, 7654, 10612, 15308, 16297, 21224, 26789, 30616, 32594, 33731, 53578, 65188, 67462, 107156, 114079, 130376, 134924, 214312, 228158, 236117, 269848, 456316, 472234, 912632, 944468, 1450433, 1888936, 2900866, 5801732, 10153031, 11603464, 20306062, 40612124, 81224248]

約数ペア:

[(1, 81224248), (2, 40612124), (4, 20306062), (7, 11603464), (8, 10153031), (14, 5801732), (28, 2900866), (43, 1888936), (56, 1450433), (86, 944468), (89, 912632), (172, 472234), (178, 456316), (301, 269848), (344, 236117), (356, 228158), (379, 214312), (602, 134924), (623, 130376), (712, 114079), (758, 107156), (1204, 67462), (1246, 65188), (1516, 53578), (2408, 33731), (2492, 32594), (2653, 30616), (3032, 26789), (3827, 21224), (4984, 16297), (5306, 15308), (7654, 10612)]