128023665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 257126400

約数和(自身を除く): 129102735

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 199, 231, 385, 557, 597, 995, 1155, 1393, 1671, 2189, 2785, 2985, 3899, 4179, 6127, 6567, 6965, 8355, 10945, 11697, 15323, 18381, 19495, 20895, 30635, 32835, 42889, 45969, 58485, 76615, 91905, 110843, 128667, 214445, 229845, 332529, 554215, 643335, 775901, 1219273, 1662645, 2327703, 3657819, 3879505, 6096365, 8534911, 11638515, 18289095, 25604733, 42674555, 128023665]

約数ペア:

[(1, 128023665), (3, 42674555), (5, 25604733), (7, 18289095), (11, 11638515), (15, 8534911), (21, 6096365), (33, 3879505), (35, 3657819), (55, 2327703), (77, 1662645), (105, 1219273), (165, 775901), (199, 643335), (231, 554215), (385, 332529), (557, 229845), (597, 214445), (995, 128667), (1155, 110843), (1393, 91905), (1671, 76615), (2189, 58485), (2785, 45969), (2985, 42889), (3899, 32835), (4179, 30635), (6127, 20895), (6567, 19495), (6965, 18381), (8355, 15323), (10945, 11697)]