28790972

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 59404800

約数和(自身を除く): 30613828

約数列:

[1, 2, 4, 7, 14, 28, 67, 103, 134, 149, 206, 268, 298, 412, 469, 596, 721, 938, 1043, 1442, 1876, 2086, 2884, 4172, 6901, 9983, 13802, 15347, 19966, 27604, 30694, 39932, 48307, 61388, 69881, 96614, 107429, 139762, 193228, 214858, 279524, 429716, 1028249, 2056498, 4112996, 7197743, 14395486, 28790972]

約数ペア:

[(1, 28790972), (2, 14395486), (4, 7197743), (7, 4112996), (14, 2056498), (28, 1028249), (67, 429716), (103, 279524), (134, 214858), (149, 193228), (206, 139762), (268, 107429), (298, 96614), (412, 69881), (469, 61388), (596, 48307), (721, 39932), (938, 30694), (1043, 27604), (1442, 19966), (1876, 15347), (2086, 13802), (2884, 9983), (4172, 6901)]