128751584

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2437}}^1$

素因数の和:2587

約数の個数: 48

約数和(自身を含む): 275240448

約数和(自身を除く): 146488864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 127, 208, 254, 416, 508, 1016, 1651, 2032, 2437, 3302, 4064, 4874, 6604, 9748, 13208, 19496, 26416, 31681, 38992, 52832, 63362, 77984, 126724, 253448, 309499, 506896, 618998, 1013792, 1237996, 2475992, 4023487, 4951984, 8046974, 9903968, 16093948, 32187896, 64375792, 128751584]

約数ペア:

[(1, 128751584), (2, 64375792), (4, 32187896), (8, 16093948), (13, 9903968), (16, 8046974), (26, 4951984), (32, 4023487), (52, 2475992), (104, 1237996), (127, 1013792), (208, 618998), (254, 506896), (416, 309499), (508, 253448), (1016, 126724), (1651, 77984), (2032, 63362), (2437, 52832), (3302, 38992), (4064, 31681), (4874, 26416), (6604, 19496), (9748, 13208)]