163987516

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3307}}^1$

素因数の和:3359

約数の個数: 72

約数和(自身を含む): 380128896

約数和(自身を除く): 216141380

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 77, 92, 98, 154, 161, 196, 253, 308, 322, 506, 539, 644, 1012, 1078, 1127, 1771, 2156, 2254, 3307, 3542, 4508, 6614, 7084, 12397, 13228, 23149, 24794, 36377, 46298, 49588, 72754, 76061, 92596, 145508, 152122, 162043, 254639, 304244, 324086, 509278, 532427, 648172, 836671, 1018556, 1064854, 1673342, 1782473, 2129708, 3346684, 3564946, 3726989, 5856697, 7129892, 7453978, 11713394, 14907956, 23426788, 40996879, 81993758, 163987516]

約数ペア:

[(1, 163987516), (2, 81993758), (4, 40996879), (7, 23426788), (11, 14907956), (14, 11713394), (22, 7453978), (23, 7129892), (28, 5856697), (44, 3726989), (46, 3564946), (49, 3346684), (77, 2129708), (92, 1782473), (98, 1673342), (154, 1064854), (161, 1018556), (196, 836671), (253, 648172), (308, 532427), (322, 509278), (506, 324086), (539, 304244), (644, 254639), (1012, 162043), (1078, 152122), (1127, 145508), (1771, 92596), (2156, 76061), (2254, 72754), (3307, 49588), (3542, 46298), (4508, 36377), (6614, 24794), (7084, 23149), (12397, 13228)]