221415488

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6961}}^1$

素因数の和:7051

約数の個数: 56

約数和(自身を含む): 509284224

約数和(自身を除く): 287868736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 994, 1136, 1988, 2272, 3976, 4544, 6961, 7952, 13922, 15904, 27844, 31808, 48727, 55688, 97454, 111376, 194908, 222752, 389816, 445504, 494231, 779632, 988462, 1559264, 1976924, 3118528, 3459617, 3953848, 6919234, 7907696, 13838468, 15815392, 27676936, 31630784, 55353872, 110707744, 221415488]

約数ペア:

[(1, 221415488), (2, 110707744), (4, 55353872), (7, 31630784), (8, 27676936), (14, 15815392), (16, 13838468), (28, 7907696), (32, 6919234), (56, 3953848), (64, 3459617), (71, 3118528), (112, 1976924), (142, 1559264), (224, 988462), (284, 779632), (448, 494231), (497, 445504), (568, 389816), (994, 222752), (1136, 194908), (1988, 111376), (2272, 97454), (3976, 55688), (4544, 48727), (6961, 31808), (7952, 27844), (13922, 15904)]