81866616

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2003}}^1$

素因数の和:2156

約数の個数: 64

約数和(自身を含む): 222203520

約数和(自身を除く): 140336904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 131, 156, 262, 312, 393, 524, 786, 1048, 1572, 1703, 2003, 3144, 3406, 4006, 5109, 6009, 6812, 8012, 10218, 12018, 13624, 16024, 20436, 24036, 26039, 40872, 48072, 52078, 78117, 104156, 156234, 208312, 262393, 312468, 524786, 624936, 787179, 1049572, 1574358, 2099144, 3148716, 3411109, 6297432, 6822218, 10233327, 13644436, 20466654, 27288872, 40933308, 81866616]

約数ペア:

[(1, 81866616), (2, 40933308), (3, 27288872), (4, 20466654), (6, 13644436), (8, 10233327), (12, 6822218), (13, 6297432), (24, 3411109), (26, 3148716), (39, 2099144), (52, 1574358), (78, 1049572), (104, 787179), (131, 624936), (156, 524786), (262, 312468), (312, 262393), (393, 208312), (524, 156234), (786, 104156), (1048, 78117), (1572, 52078), (1703, 48072), (2003, 40872), (3144, 26039), (3406, 24036), (4006, 20436), (5109, 16024), (6009, 13624), (6812, 12018), (8012, 10218)]