28248136

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 64512000

約数和(自身を除く): 36263864

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 139, 152, 191, 266, 278, 382, 532, 556, 764, 973, 1064, 1112, 1337, 1528, 1946, 2641, 2674, 3629, 3892, 5282, 5348, 7258, 7784, 10564, 10696, 14516, 18487, 21128, 25403, 26549, 29032, 36974, 50806, 53098, 73948, 101612, 106196, 147896, 185843, 203224, 212392, 371686, 504431, 743372, 1008862, 1486744, 2017724, 3531017, 4035448, 7062034, 14124068, 28248136]

約数ペア:

[(1, 28248136), (2, 14124068), (4, 7062034), (7, 4035448), (8, 3531017), (14, 2017724), (19, 1486744), (28, 1008862), (38, 743372), (56, 504431), (76, 371686), (133, 212392), (139, 203224), (152, 185843), (191, 147896), (266, 106196), (278, 101612), (382, 73948), (532, 53098), (556, 50806), (764, 36974), (973, 29032), (1064, 26549), (1112, 25403), (1337, 21128), (1528, 18487), (1946, 14516), (2641, 10696), (2674, 10564), (3629, 7784), (3892, 7258), (5282, 5348)]