215983432

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2749}}^1$

素因数の和:2846

約数の個数: 64

約数和(自身を含む): 491040000

約数和(自身を除く): 275056568

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 61, 92, 122, 161, 184, 244, 322, 427, 488, 644, 854, 1288, 1403, 1708, 2749, 2806, 3416, 5498, 5612, 9821, 10996, 11224, 19243, 19642, 21992, 38486, 39284, 63227, 76972, 78568, 126454, 153944, 167689, 252908, 335378, 442589, 505816, 670756, 885178, 1173823, 1341512, 1770356, 2347646, 3540712, 3856847, 4695292, 7713694, 9390584, 15427388, 26997929, 30854776, 53995858, 107991716, 215983432]

約数ペア:

[(1, 215983432), (2, 107991716), (4, 53995858), (7, 30854776), (8, 26997929), (14, 15427388), (23, 9390584), (28, 7713694), (46, 4695292), (56, 3856847), (61, 3540712), (92, 2347646), (122, 1770356), (161, 1341512), (184, 1173823), (244, 885178), (322, 670756), (427, 505816), (488, 442589), (644, 335378), (854, 252908), (1288, 167689), (1403, 153944), (1708, 126454), (2749, 78568), (2806, 76972), (3416, 63227), (5498, 39284), (5612, 38486), (9821, 21992), (10996, 19642), (11224, 19243)]