71004988

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:534

約数の個数: 36

約数和(自身を含む): 133066080

約数和(自身を除く): 62061092

約数列:

[1, 2, 4, 17, 34, 68, 239, 257, 289, 478, 514, 578, 956, 1028, 1156, 4063, 4369, 8126, 8738, 16252, 17476, 61423, 69071, 74273, 122846, 138142, 148546, 245692, 276284, 297092, 1044191, 2088382, 4176764, 17751247, 35502494, 71004988]

約数ペア:

[(1, 71004988), (2, 35502494), (4, 17751247), (17, 4176764), (34, 2088382), (68, 1044191), (239, 297092), (257, 276284), (289, 245692), (478, 148546), (514, 138142), (578, 122846), (956, 74273), (1028, 69071), (1156, 61423), (4063, 17476), (4369, 16252), (8126, 8738)]