13378456

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 128

約数和(自身を含む): 34836480

約数和(自身を除く): 21458024

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 23, 26, 28, 34, 46, 47, 52, 56, 68, 91, 92, 94, 104, 119, 136, 161, 182, 184, 188, 221, 238, 299, 322, 329, 364, 376, 391, 442, 476, 598, 611, 644, 658, 728, 782, 799, 884, 952, 1081, 1196, 1222, 1288, 1316, 1547, 1564, 1598, 1768, 2093, 2162, 2392, 2444, 2632, 2737, 3094, 3128, 3196, 4186, 4277, 4324, 4888, 5083, 5474, 5593, 6188, 6392, 7567, 8372, 8554, 8648, 10166, 10387, 10948, 11186, 12376, 14053, 15134, 16744, 17108, 18377, 20332, 20774, 21896, 22372, 28106, 30268, 34216, 35581, 36754, 40664, 41548, 44744, 56212, 60536, 71162, 72709, 73508, 83096, 98371, 112424, 128639, 142324, 145418, 147016, 196742, 238901, 257278, 284648, 290836, 393484, 477802, 514556, 581672, 786968, 955604, 1029112, 1672307, 1911208, 3344614, 6689228, 13378456]

約数ペア:

[(1, 13378456), (2, 6689228), (4, 3344614), (7, 1911208), (8, 1672307), (13, 1029112), (14, 955604), (17, 786968), (23, 581672), (26, 514556), (28, 477802), (34, 393484), (46, 290836), (47, 284648), (52, 257278), (56, 238901), (68, 196742), (91, 147016), (92, 145418), (94, 142324), (104, 128639), (119, 112424), (136, 98371), (161, 83096), (182, 73508), (184, 72709), (188, 71162), (221, 60536), (238, 56212), (299, 44744), (322, 41548), (329, 40664), (364, 36754), (376, 35581), (391, 34216), (442, 30268), (476, 28106), (598, 22372), (611, 21896), (644, 20774), (658, 20332), (728, 18377), (782, 17108), (799, 16744), (884, 15134), (952, 14053), (1081, 12376), (1196, 11186), (1222, 10948), (1288, 10387), (1316, 10166), (1547, 8648), (1564, 8554), (1598, 8372), (1768, 7567), (2093, 6392), (2162, 6188), (2392, 5593), (2444, 5474), (2632, 5083), (2737, 4888), (3094, 4324), (3128, 4277), (3196, 4186)]