257536574932

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1381}}^1\times {\mathrm{73189}}^1$

素因数の和:74601

約数の個数: 72

約数和(自身を含む): 565015967880

約数和(自身を除く): 307479392948

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 1381, 2548, 2762, 5524, 9667, 17953, 19334, 35906, 38668, 67669, 71812, 73189, 125671, 135338, 146378, 251342, 270676, 292756, 502684, 512323, 879697, 951457, 1024646, 1759394, 1902914, 2049292, 3518788, 3586261, 3805828, 6660199, 7172522, 13320398, 14345044, 26640796, 46621393, 93242786, 101074009, 186485572, 202148018, 404296036, 707518063, 1313962117, 1415036126, 2627924234, 2830072252, 4952626441, 5255848468, 9197734819, 9905252882, 18395469638, 19810505764, 36790939276, 64384143733, 128768287466, 257536574932]

約数ペア:

[(1, 257536574932), (2, 128768287466), (4, 64384143733), (7, 36790939276), (13, 19810505764), (14, 18395469638), (26, 9905252882), (28, 9197734819), (49, 5255848468), (52, 4952626441), (91, 2830072252), (98, 2627924234), (182, 1415036126), (196, 1313962117), (364, 707518063), (637, 404296036), (1274, 202148018), (1381, 186485572), (2548, 101074009), (2762, 93242786), (5524, 46621393), (9667, 26640796), (17953, 14345044), (19334, 13320398), (35906, 7172522), (38668, 6660199), (67669, 3805828), (71812, 3586261), (73189, 3518788), (125671, 2049292), (135338, 1902914), (146378, 1759394), (251342, 1024646), (270676, 951457), (292756, 879697), (502684, 512323)]