261658896

素因数分解:

$2^4\times 3^1\times {\mathrm{257}}^1\times {\mathrm{21211}}^1$

素因数の和:21479

約数の個数: 40

約数和(自身を含む): 678614304

約数和(自身を除く): 416955408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 257, 514, 771, 1028, 1542, 2056, 3084, 4112, 6168, 12336, 21211, 42422, 63633, 84844, 127266, 169688, 254532, 339376, 509064, 1018128, 5451227, 10902454, 16353681, 21804908, 32707362, 43609816, 65414724, 87219632, 130829448, 261658896]

約数ペア:

[(1, 261658896), (2, 130829448), (3, 87219632), (4, 65414724), (6, 43609816), (8, 32707362), (12, 21804908), (16, 16353681), (24, 10902454), (48, 5451227), (257, 1018128), (514, 509064), (771, 339376), (1028, 254532), (1542, 169688), (2056, 127266), (3084, 84844), (4112, 63633), (6168, 42422), (12336, 21211)]