28196964

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{1993}}^1$

素因数の和:2137

約数の個数: 48

約数和(自身を含む): 73698240

約数和(自身を除く): 45501276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1572, 1993, 2358, 3537, 3986, 4716, 5979, 7074, 7972, 11958, 14148, 17937, 23916, 35874, 53811, 71748, 107622, 215244, 261083, 522166, 783249, 1044332, 1566498, 2349747, 3132996, 4699494, 7049241, 9398988, 14098482, 28196964]

約数ペア:

[(1, 28196964), (2, 14098482), (3, 9398988), (4, 7049241), (6, 4699494), (9, 3132996), (12, 2349747), (18, 1566498), (27, 1044332), (36, 783249), (54, 522166), (108, 261083), (131, 215244), (262, 107622), (393, 71748), (524, 53811), (786, 35874), (1179, 23916), (1572, 17937), (1993, 14148), (2358, 11958), (3537, 7972), (3986, 7074), (4716, 5979)]