245032866

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2056

約数の個数: 96

約数和(自身を含む): 625218048

約数和(自身を除く): 380185182

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 31, 34, 39, 51, 62, 78, 93, 102, 117, 153, 186, 221, 234, 279, 306, 403, 442, 527, 558, 663, 806, 1054, 1209, 1326, 1581, 1987, 1989, 2418, 3162, 3627, 3974, 3978, 4743, 5961, 6851, 7254, 9486, 11922, 13702, 17883, 20553, 25831, 33779, 35766, 41106, 51662, 61597, 61659, 67558, 77493, 101337, 123194, 123318, 154986, 184791, 202674, 232479, 304011, 369582, 439127, 464958, 554373, 608022, 800761, 878254, 1047149, 1108746, 1317381, 1601522, 2094298, 2402283, 2634762, 3141447, 3952143, 4804566, 6282894, 7206849, 7904286, 9424341, 13612937, 14413698, 18848682, 27225874, 40838811, 81677622, 122516433, 245032866]

約数ペア:

[(1, 245032866), (2, 122516433), (3, 81677622), (6, 40838811), (9, 27225874), (13, 18848682), (17, 14413698), (18, 13612937), (26, 9424341), (31, 7904286), (34, 7206849), (39, 6282894), (51, 4804566), (62, 3952143), (78, 3141447), (93, 2634762), (102, 2402283), (117, 2094298), (153, 1601522), (186, 1317381), (221, 1108746), (234, 1047149), (279, 878254), (306, 800761), (403, 608022), (442, 554373), (527, 464958), (558, 439127), (663, 369582), (806, 304011), (1054, 232479), (1209, 202674), (1326, 184791), (1581, 154986), (1987, 123318), (1989, 123194), (2418, 101337), (3162, 77493), (3627, 67558), (3974, 61659), (3978, 61597), (4743, 51662), (5961, 41106), (6851, 35766), (7254, 33779), (9486, 25831), (11922, 20553), (13702, 17883)]