28557738

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 69949440

約数和(自身を除く): 41391702

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 131, 198, 262, 297, 367, 393, 594, 734, 786, 1101, 1179, 1441, 2202, 2358, 2882, 3303, 3537, 4037, 4323, 6606, 7074, 8074, 8646, 9909, 12111, 12969, 19818, 24222, 25938, 36333, 38907, 48077, 72666, 77814, 96154, 108999, 144231, 217998, 288462, 432693, 528847, 865386, 1057694, 1298079, 1586541, 2596158, 3173082, 4759623, 9519246, 14278869, 28557738]

約数ペア:

[(1, 28557738), (2, 14278869), (3, 9519246), (6, 4759623), (9, 3173082), (11, 2596158), (18, 1586541), (22, 1298079), (27, 1057694), (33, 865386), (54, 528847), (66, 432693), (99, 288462), (131, 217998), (198, 144231), (262, 108999), (297, 96154), (367, 77814), (393, 72666), (594, 48077), (734, 38907), (786, 36333), (1101, 25938), (1179, 24222), (1441, 19818), (2202, 12969), (2358, 12111), (2882, 9909), (3303, 8646), (3537, 8074), (4037, 7074), (4323, 6606)]