638553456

素因数分解:

$2^4\times 3^5\times {\mathrm{17}}^1\times {\mathrm{9661}}^1$

素因数の和:9701

約数の個数: 120

約数和(自身を含む): 1962468144

約数和(自身を除く): 1323914688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 81, 102, 108, 136, 144, 153, 162, 204, 216, 243, 272, 306, 324, 408, 432, 459, 486, 612, 648, 816, 918, 972, 1224, 1296, 1377, 1836, 1944, 2448, 2754, 3672, 3888, 4131, 5508, 7344, 8262, 9661, 11016, 16524, 19322, 22032, 28983, 33048, 38644, 57966, 66096, 77288, 86949, 115932, 154576, 164237, 173898, 231864, 260847, 328474, 347796, 463728, 492711, 521694, 656948, 695592, 782541, 985422, 1043388, 1313896, 1391184, 1478133, 1565082, 1970844, 2086776, 2347623, 2627792, 2956266, 3130164, 3941688, 4173552, 4434399, 4695246, 5912532, 6260328, 7883376, 8868798, 9390492, 11825064, 12520656, 13303197, 17737596, 18780984, 23650128, 26606394, 35475192, 37561968, 39909591, 53212788, 70950384, 79819182, 106425576, 159638364, 212851152, 319276728, 638553456]

約数ペア:

[(1, 638553456), (2, 319276728), (3, 212851152), (4, 159638364), (6, 106425576), (8, 79819182), (9, 70950384), (12, 53212788), (16, 39909591), (17, 37561968), (18, 35475192), (24, 26606394), (27, 23650128), (34, 18780984), (36, 17737596), (48, 13303197), (51, 12520656), (54, 11825064), (68, 9390492), (72, 8868798), (81, 7883376), (102, 6260328), (108, 5912532), (136, 4695246), (144, 4434399), (153, 4173552), (162, 3941688), (204, 3130164), (216, 2956266), (243, 2627792), (272, 2347623), (306, 2086776), (324, 1970844), (408, 1565082), (432, 1478133), (459, 1391184), (486, 1313896), (612, 1043388), (648, 985422), (816, 782541), (918, 695592), (972, 656948), (1224, 521694), (1296, 492711), (1377, 463728), (1836, 347796), (1944, 328474), (2448, 260847), (2754, 231864), (3672, 173898), (3888, 164237), (4131, 154576), (5508, 115932), (7344, 86949), (8262, 77288), (9661, 66096), (11016, 57966), (16524, 38644), (19322, 33048), (22032, 28983)]