258413528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{20483}}^1$

素因数の和:20591

約数の個数: 32

約数和(自身を含む): 516196800

約数和(自身を除く): 257783272

約数列:

[1, 2, 4, 8, 19, 38, 76, 83, 152, 166, 332, 664, 1577, 3154, 6308, 12616, 20483, 40966, 81932, 163864, 389177, 778354, 1556708, 1700089, 3113416, 3400178, 6800356, 13600712, 32301691, 64603382, 129206764, 258413528]

約数ペア:

[(1, 258413528), (2, 129206764), (4, 64603382), (8, 32301691), (19, 13600712), (38, 6800356), (76, 3400178), (83, 3113416), (152, 1700089), (166, 1556708), (332, 778354), (664, 389177), (1577, 163864), (3154, 81932), (6308, 40966), (12616, 20483)]