257758428

素因数分解:

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

素因数の和:443

約数の個数: 96

約数和(自身を含む): 650180608

約数和(自身を除く): 392422180

約数列:

[1, 2, 3, 4, 6, 12, 31, 37, 61, 62, 74, 93, 111, 122, 124, 148, 183, 186, 222, 244, 307, 366, 372, 444, 614, 732, 921, 1147, 1228, 1842, 1891, 2257, 2294, 3441, 3684, 3782, 4514, 4588, 5673, 6771, 6882, 7564, 9028, 9517, 11346, 11359, 13542, 13764, 18727, 19034, 22692, 22718, 27084, 28551, 34077, 37454, 38068, 45436, 56181, 57102, 68154, 69967, 74908, 112362, 114204, 136308, 139934, 209901, 224724, 279868, 352129, 419802, 580537, 692899, 704258, 839604, 1056387, 1161074, 1385798, 1408516, 1741611, 2078697, 2112774, 2322148, 2771596, 3483222, 4157394, 4225548, 6966444, 8314788, 21479869, 42959738, 64439607, 85919476, 128879214, 257758428]

約数ペア:

[(1, 257758428), (2, 128879214), (3, 85919476), (4, 64439607), (6, 42959738), (12, 21479869), (31, 8314788), (37, 6966444), (61, 4225548), (62, 4157394), (74, 3483222), (93, 2771596), (111, 2322148), (122, 2112774), (124, 2078697), (148, 1741611), (183, 1408516), (186, 1385798), (222, 1161074), (244, 1056387), (307, 839604), (366, 704258), (372, 692899), (444, 580537), (614, 419802), (732, 352129), (921, 279868), (1147, 224724), (1228, 209901), (1842, 139934), (1891, 136308), (2257, 114204), (2294, 112362), (3441, 74908), (3684, 69967), (3782, 68154), (4514, 57102), (4588, 56181), (5673, 45436), (6771, 38068), (6882, 37454), (7564, 34077), (9028, 28551), (9517, 27084), (11346, 22718), (11359, 22692), (13542, 19034), (13764, 18727)]