128595376

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{88321}}^1$

素因数の和:88349

約数の個数: 40

約数和(自身を含む): 306653984

約数和(自身を除く): 178058608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 88321, 176642, 353284, 618247, 706568, 1148173, 1236494, 1413136, 2296346, 2472988, 4592692, 4945976, 8037211, 9185384, 9891952, 16074422, 18370768, 32148844, 64297688, 128595376]

約数ペア:

[(1, 128595376), (2, 64297688), (4, 32148844), (7, 18370768), (8, 16074422), (13, 9891952), (14, 9185384), (16, 8037211), (26, 4945976), (28, 4592692), (52, 2472988), (56, 2296346), (91, 1413136), (104, 1236494), (112, 1148173), (182, 706568), (208, 618247), (364, 353284), (728, 176642), (1456, 88321)]