221478992

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1307}}^1$

素因数の和:1428

約数の個数: 80

約数和(自身を含む): 525502080

約数和(自身を除く): 304023088

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 89, 112, 119, 136, 178, 238, 272, 356, 476, 623, 712, 952, 1246, 1307, 1424, 1513, 1904, 2492, 2614, 3026, 4984, 5228, 6052, 9149, 9968, 10456, 10591, 12104, 18298, 20912, 21182, 22219, 24208, 36596, 42364, 44438, 73192, 84728, 88876, 116323, 146384, 155533, 169456, 177752, 232646, 311066, 355504, 465292, 622132, 814261, 930584, 1244264, 1628522, 1861168, 1977491, 2488528, 3257044, 3954982, 6514088, 7909964, 13028176, 13842437, 15819928, 27684874, 31639856, 55369748, 110739496, 221478992]

約数ペア:

[(1, 221478992), (2, 110739496), (4, 55369748), (7, 31639856), (8, 27684874), (14, 15819928), (16, 13842437), (17, 13028176), (28, 7909964), (34, 6514088), (56, 3954982), (68, 3257044), (89, 2488528), (112, 1977491), (119, 1861168), (136, 1628522), (178, 1244264), (238, 930584), (272, 814261), (356, 622132), (476, 465292), (623, 355504), (712, 311066), (952, 232646), (1246, 177752), (1307, 169456), (1424, 155533), (1513, 146384), (1904, 116323), (2492, 88876), (2614, 84728), (3026, 73192), (4984, 44438), (5228, 42364), (6052, 36596), (9149, 24208), (9968, 22219), (10456, 21182), (10591, 20912), (12104, 18298)]