221821358128

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{457}}^1\times {\mathrm{104971}}^1$

素因数の和:105470

約数の個数: 60

約数和(自身を含む): 457550483992

約数和(自身を除く): 235729125864

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 457, 578, 914, 1156, 1828, 2312, 3656, 4624, 7312, 7769, 15538, 31076, 62152, 104971, 124304, 132073, 209942, 264146, 419884, 528292, 839768, 1056584, 1679536, 1784507, 2113168, 3569014, 7138028, 14276056, 28552112, 30336619, 47971747, 60673238, 95943494, 121346476, 191886988, 242692952, 383773976, 485385904, 767547952, 815519699, 1631039398, 3262078796, 6524157592, 13048315184, 13863834883, 27727669766, 55455339532, 110910679064, 221821358128]

約数ペア:

[(1, 221821358128), (2, 110910679064), (4, 55455339532), (8, 27727669766), (16, 13863834883), (17, 13048315184), (34, 6524157592), (68, 3262078796), (136, 1631039398), (272, 815519699), (289, 767547952), (457, 485385904), (578, 383773976), (914, 242692952), (1156, 191886988), (1828, 121346476), (2312, 95943494), (3656, 60673238), (4624, 47971747), (7312, 30336619), (7769, 28552112), (15538, 14276056), (31076, 7138028), (62152, 3569014), (104971, 2113168), (124304, 1784507), (132073, 1679536), (209942, 1056584), (264146, 839768), (419884, 528292)]