171771992

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{98947}}^1$

素因数の和:98991

約数の個数: 32

約数和(自身を含む): 379960320

約数和(自身を除く): 208188328

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 98947, 197894, 395788, 692629, 791576, 1385258, 2770516, 3067357, 5541032, 6134714, 12269428, 21471499, 24538856, 42942998, 85885996, 171771992]

約数ペア:

[(1, 171771992), (2, 85885996), (4, 42942998), (7, 24538856), (8, 21471499), (14, 12269428), (28, 6134714), (31, 5541032), (56, 3067357), (62, 2770516), (124, 1385258), (217, 791576), (248, 692629), (434, 395788), (868, 197894), (1736, 98947)]