89888886

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1109}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 213120000

約数和(自身を除く): 123231114

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 79, 114, 158, 171, 237, 342, 474, 513, 711, 1026, 1109, 1422, 1501, 2133, 2218, 3002, 3327, 4266, 4503, 6654, 9006, 9981, 13509, 19962, 21071, 27018, 29943, 40527, 42142, 59886, 63213, 81054, 87611, 126426, 175222, 189639, 262833, 379278, 525666, 568917, 788499, 1137834, 1576998, 1664609, 2365497, 3329218, 4730994, 4993827, 9987654, 14981481, 29962962, 44944443, 89888886]

約数ペア:

[(1, 89888886), (2, 44944443), (3, 29962962), (6, 14981481), (9, 9987654), (18, 4993827), (19, 4730994), (27, 3329218), (38, 2365497), (54, 1664609), (57, 1576998), (79, 1137834), (114, 788499), (158, 568917), (171, 525666), (237, 379278), (342, 262833), (474, 189639), (513, 175222), (711, 126426), (1026, 87611), (1109, 81054), (1422, 63213), (1501, 59886), (2133, 42142), (2218, 40527), (3002, 29943), (3327, 27018), (4266, 21071), (4503, 19962), (6654, 13509), (9006, 9981)]