278840052

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{673}}^1\times {\mathrm{677}}^1$

素因数の和:1377

約数の個数: 72

約数和(自身を含む): 748520136

約数和(自身を除く): 469680084

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 673, 677, 1346, 1354, 2019, 2031, 2692, 2708, 4038, 4062, 6057, 6093, 8076, 8124, 11441, 11509, 12114, 12186, 22882, 23018, 24228, 24372, 34323, 34527, 45764, 46036, 68646, 69054, 102969, 103581, 137292, 138108, 205938, 207162, 411876, 414324, 455621, 911242, 1366863, 1822484, 2733726, 4100589, 5467452, 7745557, 8201178, 15491114, 16402356, 23236671, 30982228, 46473342, 69710013, 92946684, 139420026, 278840052]

約数ペア:

[(1, 278840052), (2, 139420026), (3, 92946684), (4, 69710013), (6, 46473342), (9, 30982228), (12, 23236671), (17, 16402356), (18, 15491114), (34, 8201178), (36, 7745557), (51, 5467452), (68, 4100589), (102, 2733726), (153, 1822484), (204, 1366863), (306, 911242), (612, 455621), (673, 414324), (677, 411876), (1346, 207162), (1354, 205938), (2019, 138108), (2031, 137292), (2692, 103581), (2708, 102969), (4038, 69054), (4062, 68646), (6057, 46036), (6093, 45764), (8076, 34527), (8124, 34323), (11441, 24372), (11509, 24228), (12114, 23018), (12186, 22882)]