31739728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{797}}^1$

素因数の和:955

約数の個数: 40

約数和(自身を含む): 65308320

約数和(自身を除く): 33568592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 797, 1048, 1594, 2096, 2489, 3188, 4978, 6376, 9956, 12752, 15143, 19912, 30286, 39824, 60572, 104407, 121144, 208814, 242288, 417628, 835256, 1670512, 1983733, 3967466, 7934932, 15869864, 31739728]

約数ペア:

[(1, 31739728), (2, 15869864), (4, 7934932), (8, 3967466), (16, 1983733), (19, 1670512), (38, 835256), (76, 417628), (131, 242288), (152, 208814), (262, 121144), (304, 104407), (524, 60572), (797, 39824), (1048, 30286), (1594, 19912), (2096, 15143), (2489, 12752), (3188, 9956), (4978, 6376)]