638996826052

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{139}}^1\times {\mathrm{409}}^1\times {\mathrm{1279}}^1$

素因数の和:1870

約数の個数: 96

約数和(自身を含む): 1224043520000

約数和(自身を除く): 585046693948

約数列:

[1, 2, 4, 13, 26, 52, 139, 169, 278, 338, 409, 556, 676, 818, 1279, 1636, 1807, 2197, 2558, 3614, 4394, 5116, 5317, 7228, 8788, 10634, 16627, 21268, 23491, 33254, 46982, 56851, 66508, 69121, 93964, 113702, 138242, 177781, 216151, 227404, 276484, 305383, 355562, 432302, 523111, 610766, 711124, 739063, 864604, 898573, 1046222, 1221532, 1478126, 1797146, 2092444, 2311153, 2809963, 2956252, 3594292, 4622306, 5619926, 6800443, 9244612, 9607819, 11239852, 13600886, 19215638, 27201772, 30044989, 38431276, 60089978, 72712429, 88405759, 120179956, 124901647, 145424858, 176811518, 249803294, 290849716, 353623036, 390584857, 499606588, 781169714, 945261577, 1149274867, 1562339428, 1890523154, 2298549734, 3781046308, 4597099468, 12288400501, 24576801002, 49153602004, 159749206513, 319498413026, 638996826052]

約数ペア:

[(1, 638996826052), (2, 319498413026), (4, 159749206513), (13, 49153602004), (26, 24576801002), (52, 12288400501), (139, 4597099468), (169, 3781046308), (278, 2298549734), (338, 1890523154), (409, 1562339428), (556, 1149274867), (676, 945261577), (818, 781169714), (1279, 499606588), (1636, 390584857), (1807, 353623036), (2197, 290849716), (2558, 249803294), (3614, 176811518), (4394, 145424858), (5116, 124901647), (5317, 120179956), (7228, 88405759), (8788, 72712429), (10634, 60089978), (16627, 38431276), (21268, 30044989), (23491, 27201772), (33254, 19215638), (46982, 13600886), (56851, 11239852), (66508, 9607819), (69121, 9244612), (93964, 6800443), (113702, 5619926), (138242, 4622306), (177781, 3594292), (216151, 2956252), (227404, 2809963), (276484, 2311153), (305383, 2092444), (355562, 1797146), (432302, 1478126), (523111, 1221532), (610766, 1046222), (711124, 898573), (739063, 864604)]