217815468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1791

約数の個数: 96

約数和(自身を含む): 589881600

約数和(自身を除く): 372066132

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 43, 52, 57, 76, 78, 86, 114, 129, 156, 172, 228, 247, 258, 494, 516, 559, 741, 817, 988, 1118, 1482, 1634, 1677, 1709, 2236, 2451, 2964, 3268, 3354, 3418, 4902, 5127, 6708, 6836, 9804, 10254, 10621, 20508, 21242, 22217, 31863, 32471, 42484, 44434, 63726, 64942, 66651, 73487, 88868, 97413, 127452, 129884, 133302, 146974, 194826, 220461, 266604, 293948, 389652, 422123, 440922, 844246, 881844, 955331, 1266369, 1396253, 1688492, 1910662, 2532738, 2792506, 2865993, 3821324, 4188759, 5065476, 5585012, 5731986, 8377518, 11463972, 16755036, 18151289, 36302578, 54453867, 72605156, 108907734, 217815468]

約数ペア:

[(1, 217815468), (2, 108907734), (3, 72605156), (4, 54453867), (6, 36302578), (12, 18151289), (13, 16755036), (19, 11463972), (26, 8377518), (38, 5731986), (39, 5585012), (43, 5065476), (52, 4188759), (57, 3821324), (76, 2865993), (78, 2792506), (86, 2532738), (114, 1910662), (129, 1688492), (156, 1396253), (172, 1266369), (228, 955331), (247, 881844), (258, 844246), (494, 440922), (516, 422123), (559, 389652), (741, 293948), (817, 266604), (988, 220461), (1118, 194826), (1482, 146974), (1634, 133302), (1677, 129884), (1709, 127452), (2236, 97413), (2451, 88868), (2964, 73487), (3268, 66651), (3354, 64942), (3418, 63726), (4902, 44434), (5127, 42484), (6708, 32471), (6836, 31863), (9804, 22217), (10254, 21242), (10621, 20508)]