219688196

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19469}}^1$

素因数の和:19524

約数の個数: 48

約数和(自身を含む): 488463360

約数和(自身を除く): 268775164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 19469, 38938, 77876, 136283, 253097, 272566, 506194, 545132, 603539, 1012388, 1207078, 1771679, 2414156, 3543358, 4224773, 7086716, 7846007, 8449546, 15692014, 16899092, 31384028, 54922049, 109844098, 219688196]

約数ペア:

[(1, 219688196), (2, 109844098), (4, 54922049), (7, 31384028), (13, 16899092), (14, 15692014), (26, 8449546), (28, 7846007), (31, 7086716), (52, 4224773), (62, 3543358), (91, 2414156), (124, 1771679), (182, 1207078), (217, 1012388), (364, 603539), (403, 545132), (434, 506194), (806, 272566), (868, 253097), (1612, 136283), (2821, 77876), (5642, 38938), (11284, 19469)]