257447365864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4951}}^1\times {\mathrm{6329}}^1$

素因数の和:11378

約数の個数: 64

約数和(自身を含む): 526615488000

約数和(自身を除く): 269168122136

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 4951, 6329, 8216, 9902, 12658, 19804, 25316, 39608, 50632, 64363, 82277, 128726, 164554, 257452, 329108, 391129, 499991, 514904, 658216, 782258, 999982, 1564516, 1999964, 3129032, 3999928, 5084677, 6499883, 10169354, 12999766, 20338708, 25999532, 31334879, 40677416, 51999064, 62669758, 125339516, 250679032, 407353427, 814706854, 1629413708, 2475455441, 3258827416, 4950910882, 9901821764, 19803643528, 32180920733, 64361841466, 128723682932, 257447365864]

約数ペア:

[(1, 257447365864), (2, 128723682932), (4, 64361841466), (8, 32180920733), (13, 19803643528), (26, 9901821764), (52, 4950910882), (79, 3258827416), (104, 2475455441), (158, 1629413708), (316, 814706854), (632, 407353427), (1027, 250679032), (2054, 125339516), (4108, 62669758), (4951, 51999064), (6329, 40677416), (8216, 31334879), (9902, 25999532), (12658, 20338708), (19804, 12999766), (25316, 10169354), (39608, 6499883), (50632, 5084677), (64363, 3999928), (82277, 3129032), (128726, 1999964), (164554, 1564516), (257452, 999982), (329108, 782258), (391129, 658216), (499991, 514904)]