213347456

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7681}}^1$

素因数の和:7733

約数の個数: 64

約数和(自身を含む): 501480960

約数和(自身を除く): 288133504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 3472, 3968, 6944, 7681, 13888, 15362, 27776, 30724, 53767, 61448, 107534, 122896, 215068, 238111, 245792, 430136, 476222, 491584, 860272, 952444, 983168, 1666777, 1720544, 1904888, 3333554, 3441088, 3809776, 6667108, 6882176, 7619552, 13334216, 15239104, 26668432, 30478208, 53336864, 106673728, 213347456]

約数ペア:

[(1, 213347456), (2, 106673728), (4, 53336864), (7, 30478208), (8, 26668432), (14, 15239104), (16, 13334216), (28, 7619552), (31, 6882176), (32, 6667108), (56, 3809776), (62, 3441088), (64, 3333554), (112, 1904888), (124, 1720544), (128, 1666777), (217, 983168), (224, 952444), (248, 860272), (434, 491584), (448, 476222), (496, 430136), (868, 245792), (896, 238111), (992, 215068), (1736, 122896), (1984, 107534), (3472, 61448), (3968, 53767), (6944, 30724), (7681, 27776), (13888, 15362)]