391903956

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{2039}}^1$

素因数の和:2349

約数の個数: 72

約数和(自身を含む): 1047009600

約数和(自身を除く): 655105644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 281, 342, 562, 684, 843, 1124, 1686, 2039, 2529, 3372, 4078, 5058, 5339, 6117, 8156, 10116, 10678, 12234, 16017, 18351, 21356, 24468, 32034, 36702, 38741, 48051, 64068, 73404, 77482, 96102, 116223, 154964, 192204, 232446, 348669, 464892, 572959, 697338, 1145918, 1394676, 1718877, 2291836, 3437754, 5156631, 6875508, 10313262, 10886221, 20626524, 21772442, 32658663, 43544884, 65317326, 97975989, 130634652, 195951978, 391903956]

約数ペア:

[(1, 391903956), (2, 195951978), (3, 130634652), (4, 97975989), (6, 65317326), (9, 43544884), (12, 32658663), (18, 21772442), (19, 20626524), (36, 10886221), (38, 10313262), (57, 6875508), (76, 5156631), (114, 3437754), (171, 2291836), (228, 1718877), (281, 1394676), (342, 1145918), (562, 697338), (684, 572959), (843, 464892), (1124, 348669), (1686, 232446), (2039, 192204), (2529, 154964), (3372, 116223), (4078, 96102), (5058, 77482), (5339, 73404), (6117, 64068), (8156, 48051), (10116, 38741), (10678, 36702), (12234, 32034), (16017, 24468), (18351, 21356)]