215087221808

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{641}}^1\times {\mathrm{723167}}^1$

素因数の和:723845

約数の個数: 40

約数和(自身を含む): 431774686080

約数和(自身を除く): 216687464272

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 641, 1282, 2564, 5128, 10256, 18589, 37178, 74356, 148712, 297424, 723167, 1446334, 2892668, 5785336, 11570672, 20971843, 41943686, 83887372, 167774744, 335549488, 463550047, 927100094, 1854200188, 3708400376, 7416800752, 13442951363, 26885902726, 53771805452, 107543610904, 215087221808]

約数ペア:

[(1, 215087221808), (2, 107543610904), (4, 53771805452), (8, 26885902726), (16, 13442951363), (29, 7416800752), (58, 3708400376), (116, 1854200188), (232, 927100094), (464, 463550047), (641, 335549488), (1282, 167774744), (2564, 83887372), (5128, 41943686), (10256, 20971843), (18589, 11570672), (37178, 5785336), (74356, 2892668), (148712, 1446334), (297424, 723167)]