257900688

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{26731}}^1$

素因数の和:26812

約数の個数: 60

約数和(自身を含む): 732563728

約数和(自身を除く): 474663040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2412, 3216, 4824, 9648, 26731, 53462, 80193, 106924, 160386, 213848, 240579, 320772, 427696, 481158, 641544, 962316, 1283088, 1790977, 1924632, 3581954, 3849264, 5372931, 7163908, 10745862, 14327816, 16118793, 21491724, 28655632, 32237586, 42983448, 64475172, 85966896, 128950344, 257900688]

約数ペア:

[(1, 257900688), (2, 128950344), (3, 85966896), (4, 64475172), (6, 42983448), (8, 32237586), (9, 28655632), (12, 21491724), (16, 16118793), (18, 14327816), (24, 10745862), (36, 7163908), (48, 5372931), (67, 3849264), (72, 3581954), (134, 1924632), (144, 1790977), (201, 1283088), (268, 962316), (402, 641544), (536, 481158), (603, 427696), (804, 320772), (1072, 240579), (1206, 213848), (1608, 160386), (2412, 106924), (3216, 80193), (4824, 53462), (9648, 26731)]