221406528

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{641}}^1$

素因数の和:920

約数の個数: 112

約数和(自身を含む): 673144704

約数和(自身を除く): 451738176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 257, 336, 448, 514, 641, 672, 771, 1028, 1282, 1344, 1542, 1799, 1923, 2056, 2564, 3084, 3598, 3846, 4112, 4487, 5128, 5397, 6168, 7196, 7692, 8224, 8974, 10256, 10794, 12336, 13461, 14392, 15384, 16448, 17948, 20512, 21588, 24672, 26922, 28784, 30768, 35896, 41024, 43176, 49344, 53844, 57568, 61536, 71792, 86352, 107688, 115136, 123072, 143584, 164737, 172704, 215376, 287168, 329474, 345408, 430752, 494211, 658948, 861504, 988422, 1153159, 1317896, 1976844, 2306318, 2635792, 3459477, 3953688, 4612636, 5271584, 6918954, 7907376, 9225272, 10543168, 13837908, 15814752, 18450544, 27675816, 31629504, 36901088, 55351632, 73802176, 110703264, 221406528]

約数ペア:

[(1, 221406528), (2, 110703264), (3, 73802176), (4, 55351632), (6, 36901088), (7, 31629504), (8, 27675816), (12, 18450544), (14, 15814752), (16, 13837908), (21, 10543168), (24, 9225272), (28, 7907376), (32, 6918954), (42, 5271584), (48, 4612636), (56, 3953688), (64, 3459477), (84, 2635792), (96, 2306318), (112, 1976844), (168, 1317896), (192, 1153159), (224, 988422), (257, 861504), (336, 658948), (448, 494211), (514, 430752), (641, 345408), (672, 329474), (771, 287168), (1028, 215376), (1282, 172704), (1344, 164737), (1542, 143584), (1799, 123072), (1923, 115136), (2056, 107688), (2564, 86352), (3084, 71792), (3598, 61536), (3846, 57568), (4112, 53844), (4487, 49344), (5128, 43176), (5397, 41024), (6168, 35896), (7196, 30768), (7692, 28784), (8224, 26922), (8974, 24672), (10256, 21588), (10794, 20512), (12336, 17948), (13461, 16448), (14392, 15384)]