287495364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 796884480

約数和(自身を除く): 509389116

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 31, 34, 39, 51, 52, 62, 68, 78, 93, 102, 124, 156, 169, 186, 204, 221, 269, 338, 372, 403, 442, 507, 527, 538, 663, 676, 806, 807, 884, 1014, 1054, 1076, 1209, 1326, 1581, 1612, 1614, 2028, 2108, 2418, 2652, 2873, 3162, 3228, 3497, 4573, 4836, 5239, 5746, 6324, 6851, 6994, 8339, 8619, 9146, 10478, 10491, 11492, 13702, 13719, 13988, 15717, 16678, 17238, 18292, 20553, 20956, 20982, 25017, 27404, 27438, 31434, 33356, 34476, 41106, 41964, 45461, 50034, 54876, 59449, 62868, 82212, 89063, 90922, 100068, 108407, 118898, 136383, 141763, 178126, 178347, 181844, 216814, 237796, 267189, 272766, 283526, 325221, 356252, 356694, 425289, 433628, 534378, 545532, 567052, 650442, 713388, 772837, 850578, 1068756, 1300884, 1409291, 1545674, 1701156, 1842919, 2318511, 2818582, 3091348, 3685838, 4227873, 4637022, 5528757, 5637164, 7371676, 8455746, 9274044, 11057514, 16911492, 22115028, 23957947, 47915894, 71873841, 95831788, 143747682, 287495364]

約数ペア:

[(1, 287495364), (2, 143747682), (3, 95831788), (4, 71873841), (6, 47915894), (12, 23957947), (13, 22115028), (17, 16911492), (26, 11057514), (31, 9274044), (34, 8455746), (39, 7371676), (51, 5637164), (52, 5528757), (62, 4637022), (68, 4227873), (78, 3685838), (93, 3091348), (102, 2818582), (124, 2318511), (156, 1842919), (169, 1701156), (186, 1545674), (204, 1409291), (221, 1300884), (269, 1068756), (338, 850578), (372, 772837), (403, 713388), (442, 650442), (507, 567052), (527, 545532), (538, 534378), (663, 433628), (676, 425289), (806, 356694), (807, 356252), (884, 325221), (1014, 283526), (1054, 272766), (1076, 267189), (1209, 237796), (1326, 216814), (1581, 181844), (1612, 178347), (1614, 178126), (2028, 141763), (2108, 136383), (2418, 118898), (2652, 108407), (2873, 100068), (3162, 90922), (3228, 89063), (3497, 82212), (4573, 62868), (4836, 59449), (5239, 54876), (5746, 50034), (6324, 45461), (6851, 41964), (6994, 41106), (8339, 34476), (8619, 33356), (9146, 31434), (10478, 27438), (10491, 27404), (11492, 25017), (13702, 20982), (13719, 20956), (13988, 20553), (15717, 18292), (16678, 17238)]