257657988

素因数分解:

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

素因数の和:98992

約数の個数: 48

約数和(自身を含む): 709259264

約数和(自身を除く): 451601276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 98947, 197894, 296841, 395788, 593682, 692629, 1187364, 1385258, 2077887, 2770516, 3067357, 4155774, 6134714, 8311548, 9202071, 12269428, 18404142, 21471499, 36808284, 42942998, 64414497, 85885996, 128828994, 257657988]

約数ペア:

[(1, 257657988), (2, 128828994), (3, 85885996), (4, 64414497), (6, 42942998), (7, 36808284), (12, 21471499), (14, 18404142), (21, 12269428), (28, 9202071), (31, 8311548), (42, 6134714), (62, 4155774), (84, 3067357), (93, 2770516), (124, 2077887), (186, 1385258), (217, 1187364), (372, 692629), (434, 593682), (651, 395788), (868, 296841), (1302, 197894), (2604, 98947)]