221573072

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 505146240

約数和(自身を除く): 283573168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 163, 212, 229, 326, 371, 424, 458, 652, 742, 848, 916, 1141, 1304, 1484, 1603, 1832, 2282, 2608, 2968, 3206, 3664, 4564, 5936, 6412, 8639, 9128, 12137, 12824, 17278, 18256, 24274, 25648, 34556, 37327, 48548, 60473, 69112, 74654, 84959, 97096, 120946, 138224, 149308, 169918, 194192, 241892, 261289, 298616, 339836, 483784, 522578, 597232, 679672, 967568, 1045156, 1359344, 1978331, 2090312, 3956662, 4180624, 7913324, 13848317, 15826648, 27696634, 31653296, 55393268, 110786536, 221573072]

約数ペア:

[(1, 221573072), (2, 110786536), (4, 55393268), (7, 31653296), (8, 27696634), (14, 15826648), (16, 13848317), (28, 7913324), (53, 4180624), (56, 3956662), (106, 2090312), (112, 1978331), (163, 1359344), (212, 1045156), (229, 967568), (326, 679672), (371, 597232), (424, 522578), (458, 483784), (652, 339836), (742, 298616), (848, 261289), (916, 241892), (1141, 194192), (1304, 169918), (1484, 149308), (1603, 138224), (1832, 120946), (2282, 97096), (2608, 84959), (2968, 74654), (3206, 69112), (3664, 60473), (4564, 48548), (5936, 37327), (6412, 34556), (8639, 25648), (9128, 24274), (12137, 18256), (12824, 17278)]