218720624

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{7229}}^1$

素因数の和:7329

約数の個数: 40

約数和(自身を含む): 444673920

約数和(自身を除く): 225953296

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 3782, 7229, 7564, 14458, 15128, 28916, 30256, 57832, 115664, 224099, 440969, 448198, 881938, 896396, 1763876, 1792792, 3527752, 3585584, 7055504, 13670039, 27340078, 54680156, 109360312, 218720624]

約数ペア:

[(1, 218720624), (2, 109360312), (4, 54680156), (8, 27340078), (16, 13670039), (31, 7055504), (61, 3585584), (62, 3527752), (122, 1792792), (124, 1763876), (244, 896396), (248, 881938), (488, 448198), (496, 440969), (976, 224099), (1891, 115664), (3782, 57832), (7229, 30256), (7564, 28916), (14458, 15128)]