509654028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{20809}}^1$

素因数の和:20986

約数の個数: 48

約数和(自身を含む): 1288888160

約数和(自身を除く): 779234132

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 157, 314, 471, 628, 942, 1884, 2041, 4082, 6123, 8164, 12246, 20809, 24492, 41618, 62427, 83236, 124854, 249708, 270517, 541034, 811551, 1082068, 1623102, 3246204, 3267013, 6534026, 9801039, 13068052, 19602078, 39204156, 42471169, 84942338, 127413507, 169884676, 254827014, 509654028]

約数ペア:

[(1, 509654028), (2, 254827014), (3, 169884676), (4, 127413507), (6, 84942338), (12, 42471169), (13, 39204156), (26, 19602078), (39, 13068052), (52, 9801039), (78, 6534026), (156, 3267013), (157, 3246204), (314, 1623102), (471, 1082068), (628, 811551), (942, 541034), (1884, 270517), (2041, 249708), (4082, 124854), (6123, 83236), (8164, 62427), (12246, 41618), (20809, 24492)]