647879292

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:440

約数の個数: 108

約数和(自身を含む): 1725571848

約数和(自身を除く): 1077692556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 61, 62, 93, 122, 124, 183, 186, 244, 279, 307, 366, 372, 549, 558, 614, 732, 921, 961, 1098, 1116, 1228, 1842, 1891, 1922, 2196, 2763, 2883, 3684, 3782, 3844, 5526, 5673, 5766, 7564, 8649, 9517, 11052, 11346, 11532, 17019, 17298, 18727, 19034, 22692, 28551, 34038, 34596, 37454, 38068, 56181, 57102, 58621, 68076, 74908, 85653, 112362, 114204, 117242, 168543, 171306, 175863, 224724, 234484, 295027, 337086, 342612, 351726, 527589, 580537, 590054, 674172, 703452, 885081, 1055178, 1161074, 1180108, 1741611, 1770162, 2110356, 2322148, 2655243, 3483222, 3540324, 5224833, 5310486, 6966444, 10449666, 10620972, 17996647, 20899332, 35993294, 53989941, 71986588, 107979882, 161969823, 215959764, 323939646, 647879292]

約数ペア:

[(1, 647879292), (2, 323939646), (3, 215959764), (4, 161969823), (6, 107979882), (9, 71986588), (12, 53989941), (18, 35993294), (31, 20899332), (36, 17996647), (61, 10620972), (62, 10449666), (93, 6966444), (122, 5310486), (124, 5224833), (183, 3540324), (186, 3483222), (244, 2655243), (279, 2322148), (307, 2110356), (366, 1770162), (372, 1741611), (549, 1180108), (558, 1161074), (614, 1055178), (732, 885081), (921, 703452), (961, 674172), (1098, 590054), (1116, 580537), (1228, 527589), (1842, 351726), (1891, 342612), (1922, 337086), (2196, 295027), (2763, 234484), (2883, 224724), (3684, 175863), (3782, 171306), (3844, 168543), (5526, 117242), (5673, 114204), (5766, 112362), (7564, 85653), (8649, 74908), (9517, 68076), (11052, 58621), (11346, 57102), (11532, 56181), (17019, 38068), (17298, 37454), (18727, 34596), (19034, 34038), (22692, 28551)]