2783131813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 3732480000

約数和(自身を除く): 949348187

約数列:

[1, 7, 11, 23, 53, 77, 149, 161, 199, 253, 371, 583, 1043, 1219, 1393, 1639, 1771, 2189, 3427, 4081, 4577, 7897, 8533, 10547, 11473, 13409, 15323, 23989, 29651, 32039, 37697, 50347, 55279, 73829, 86867, 93863, 116017, 181631, 207557, 242581, 263879, 326161, 352429, 608069, 681973, 812119, 1271417, 1571503, 1698067, 1997941, 2283127, 2668391, 4773811, 7501703, 11000521, 13985587, 17286533, 18678737, 36144569, 52511921, 121005731, 253011983, 397590259, 2783131813]

約数ペア:

[(1, 2783131813), (7, 397590259), (11, 253011983), (23, 121005731), (53, 52511921), (77, 36144569), (149, 18678737), (161, 17286533), (199, 13985587), (253, 11000521), (371, 7501703), (583, 4773811), (1043, 2668391), (1219, 2283127), (1393, 1997941), (1639, 1698067), (1771, 1571503), (2189, 1271417), (3427, 812119), (4081, 681973), (4577, 608069), (7897, 352429), (8533, 326161), (10547, 263879), (11473, 242581), (13409, 207557), (15323, 181631), (23989, 116017), (29651, 93863), (32039, 86867), (37697, 73829), (50347, 55279)]