28738386

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 64022400

約数和(自身を除く): 35284014

約数列:

[1, 2, 3, 6, 9, 18, 71, 113, 142, 199, 213, 226, 339, 398, 426, 597, 639, 678, 1017, 1194, 1278, 1791, 2034, 3582, 8023, 14129, 16046, 22487, 24069, 28258, 42387, 44974, 48138, 67461, 72207, 84774, 127161, 134922, 144414, 202383, 254322, 404766, 1596577, 3193154, 4789731, 9579462, 14369193, 28738386]

約数ペア:

[(1, 28738386), (2, 14369193), (3, 9579462), (6, 4789731), (9, 3193154), (18, 1596577), (71, 404766), (113, 254322), (142, 202383), (199, 144414), (213, 134922), (226, 127161), (339, 84774), (398, 72207), (426, 67461), (597, 48138), (639, 44974), (678, 42387), (1017, 28258), (1194, 24069), (1278, 22487), (1791, 16046), (2034, 14129), (3582, 8023)]