128879214

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 278648832

約数和(自身を除く): 149769618

約数列:

[1, 2, 3, 6, 31, 37, 61, 62, 74, 93, 111, 122, 183, 186, 222, 307, 366, 614, 921, 1147, 1842, 1891, 2257, 2294, 3441, 3782, 4514, 5673, 6771, 6882, 9517, 11346, 11359, 13542, 18727, 19034, 22718, 28551, 34077, 37454, 56181, 57102, 68154, 69967, 112362, 139934, 209901, 352129, 419802, 580537, 692899, 704258, 1056387, 1161074, 1385798, 1741611, 2078697, 2112774, 3483222, 4157394, 21479869, 42959738, 64439607, 128879214]

約数ペア:

[(1, 128879214), (2, 64439607), (3, 42959738), (6, 21479869), (31, 4157394), (37, 3483222), (61, 2112774), (62, 2078697), (74, 1741611), (93, 1385798), (111, 1161074), (122, 1056387), (183, 704258), (186, 692899), (222, 580537), (307, 419802), (366, 352129), (614, 209901), (921, 139934), (1147, 112362), (1842, 69967), (1891, 68154), (2257, 57102), (2294, 56181), (3441, 37454), (3782, 34077), (4514, 28551), (5673, 22718), (6771, 19034), (6882, 18727), (9517, 13542), (11346, 11359)]