1640694588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{5153}}^1$

素因数の和:5343

約数の個数: 72

約数和(自身を含む): 4172637168

約数和(自身を除く): 2531942580

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 157, 169, 314, 338, 471, 507, 628, 676, 942, 1014, 1884, 2028, 2041, 4082, 5153, 6123, 8164, 10306, 12246, 15459, 20612, 24492, 26533, 30918, 53066, 61836, 66989, 79599, 106132, 133978, 159198, 200967, 267956, 318396, 401934, 803868, 809021, 870857, 1618042, 1741714, 2427063, 2612571, 3236084, 3483428, 4854126, 5225142, 9708252, 10450284, 10517273, 21034546, 31551819, 42069092, 63103638, 126207276, 136724549, 273449098, 410173647, 546898196, 820347294, 1640694588]

約数ペア:

[(1, 1640694588), (2, 820347294), (3, 546898196), (4, 410173647), (6, 273449098), (12, 136724549), (13, 126207276), (26, 63103638), (39, 42069092), (52, 31551819), (78, 21034546), (156, 10517273), (157, 10450284), (169, 9708252), (314, 5225142), (338, 4854126), (471, 3483428), (507, 3236084), (628, 2612571), (676, 2427063), (942, 1741714), (1014, 1618042), (1884, 870857), (2028, 809021), (2041, 803868), (4082, 401934), (5153, 318396), (6123, 267956), (8164, 200967), (10306, 159198), (12246, 133978), (15459, 106132), (20612, 79599), (24492, 66989), (26533, 61836), (30918, 53066)]