287219262

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:909

約数の個数: 64

約数和(自身を含む): 656916480

約数和(自身を除く): 369697218

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 431, 439, 506, 759, 862, 878, 1293, 1317, 1518, 2586, 2634, 4741, 4829, 9482, 9658, 9913, 10097, 14223, 14487, 19826, 20194, 28446, 28974, 29739, 30291, 59478, 60582, 109043, 111067, 189209, 218086, 222134, 327129, 333201, 378418, 567627, 654258, 666402, 1135254, 2081299, 4162598, 4351807, 6243897, 8703614, 12487794, 13055421, 26110842, 47869877, 95739754, 143609631, 287219262]

約数ペア:

[(1, 287219262), (2, 143609631), (3, 95739754), (6, 47869877), (11, 26110842), (22, 13055421), (23, 12487794), (33, 8703614), (46, 6243897), (66, 4351807), (69, 4162598), (138, 2081299), (253, 1135254), (431, 666402), (439, 654258), (506, 567627), (759, 378418), (862, 333201), (878, 327129), (1293, 222134), (1317, 218086), (1518, 189209), (2586, 111067), (2634, 109043), (4741, 60582), (4829, 59478), (9482, 30291), (9658, 29739), (9913, 28974), (10097, 28446), (14223, 20194), (14487, 19826)]