256864464

素因数分解:

$2^4\times 3^2\times {\mathrm{1783781}}^1$

素因数の和:1783795

約数の個数: 30

約数和(自身を含む): 718864146

約数和(自身を除く): 461999682

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1783781, 3567562, 5351343, 7135124, 10702686, 14270248, 16054029, 21405372, 28540496, 32108058, 42810744, 64216116, 85621488, 128432232, 256864464]

約数ペア:

[(1, 256864464), (2, 128432232), (3, 85621488), (4, 64216116), (6, 42810744), (8, 32108058), (9, 28540496), (12, 21405372), (16, 16054029), (18, 14270248), (24, 10702686), (36, 7135124), (48, 5351343), (72, 3567562), (144, 1783781)]