2048695216

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{41}}^2\times {\mathrm{211}}^1$

素因数の和:339

約数の個数: 90

約数和(自身を含む): 4314274836

約数和(自身を除く): 2265579620

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 211, 304, 328, 361, 422, 656, 722, 779, 844, 1444, 1558, 1681, 1688, 2888, 3116, 3362, 3376, 4009, 5776, 6232, 6724, 8018, 8651, 12464, 13448, 14801, 16036, 17302, 26896, 29602, 31939, 32072, 34604, 59204, 63878, 64144, 69208, 76171, 118408, 127756, 138416, 152342, 164369, 236816, 255512, 304684, 328738, 354691, 511024, 606841, 609368, 657476, 709382, 1213682, 1218736, 1314952, 1418764, 2427364, 2629904, 2837528, 3123011, 4854728, 5675056, 6246022, 6739129, 9709456, 12492044, 13478258, 24984088, 26956516, 49968176, 53913032, 107826064, 128043451, 256086902, 512173804, 1024347608, 2048695216]

約数ペア:

[(1, 2048695216), (2, 1024347608), (4, 512173804), (8, 256086902), (16, 128043451), (19, 107826064), (38, 53913032), (41, 49968176), (76, 26956516), (82, 24984088), (152, 13478258), (164, 12492044), (211, 9709456), (304, 6739129), (328, 6246022), (361, 5675056), (422, 4854728), (656, 3123011), (722, 2837528), (779, 2629904), (844, 2427364), (1444, 1418764), (1558, 1314952), (1681, 1218736), (1688, 1213682), (2888, 709382), (3116, 657476), (3362, 609368), (3376, 606841), (4009, 511024), (5776, 354691), (6232, 328738), (6724, 304684), (8018, 255512), (8651, 236816), (12464, 164369), (13448, 152342), (14801, 138416), (16036, 127756), (17302, 118408), (26896, 76171), (29602, 69208), (31939, 64144), (32072, 63878), (34604, 59204)]