257251010948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{732817}}^1$

素因数の和:733020

約数の個数: 48

約数和(自身を含む): 492453696000

約数和(自身を除く): 235202685052

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 149, 298, 589, 596, 1178, 2356, 2831, 4619, 5662, 9238, 11324, 18476, 87761, 175522, 351044, 732817, 1465634, 2931268, 13923523, 22717327, 27847046, 45434654, 55694092, 90869308, 109189733, 218379466, 431629213, 436758932, 863258426, 1726516852, 2074604927, 3384881723, 4149209854, 6769763446, 8298419708, 13539526892, 64312752737, 128625505474, 257251010948]

約数ペア:

[(1, 257251010948), (2, 128625505474), (4, 64312752737), (19, 13539526892), (31, 8298419708), (38, 6769763446), (62, 4149209854), (76, 3384881723), (124, 2074604927), (149, 1726516852), (298, 863258426), (589, 436758932), (596, 431629213), (1178, 218379466), (2356, 109189733), (2831, 90869308), (4619, 55694092), (5662, 45434654), (9238, 27847046), (11324, 22717327), (18476, 13923523), (87761, 2931268), (175522, 1465634), (351044, 732817)]