278311552

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{70139}}^1$

素因数の和:70184

約数の個数: 32

約数和(自身を含む): 572342400

約数和(自身を除く): 294030848

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 70139, 140278, 280556, 561112, 1122224, 2174309, 2244448, 4348618, 4488896, 8697236, 8977792, 17394472, 34788944, 69577888, 139155776, 278311552]

約数ペア:

[(1, 278311552), (2, 139155776), (4, 69577888), (8, 34788944), (16, 17394472), (31, 8977792), (32, 8697236), (62, 4488896), (64, 4348618), (124, 2244448), (128, 2174309), (248, 1122224), (496, 561112), (992, 280556), (1984, 140278), (3968, 70139)]