28765278

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{349}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 66066000

約数和(自身を除く): 37300722

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 241, 342, 349, 482, 698, 723, 1047, 1446, 2094, 2169, 3141, 4338, 4579, 6282, 6631, 9158, 13262, 13737, 19893, 27474, 39786, 41211, 59679, 82422, 84109, 119358, 168218, 252327, 504654, 756981, 1513962, 1598071, 3196142, 4794213, 9588426, 14382639, 28765278]

約数ペア:

[(1, 28765278), (2, 14382639), (3, 9588426), (6, 4794213), (9, 3196142), (18, 1598071), (19, 1513962), (38, 756981), (57, 504654), (114, 252327), (171, 168218), (241, 119358), (342, 84109), (349, 82422), (482, 59679), (698, 41211), (723, 39786), (1047, 27474), (1446, 19893), (2094, 13737), (2169, 13262), (3141, 9158), (4338, 6631), (4579, 6282)]