215369284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1579}}^1$

素因数の和:1700

約数の個数: 48

約数和(自身を含む): 422403520

約数和(自身を除く): 207034236

約数列:

[1, 2, 4, 13, 26, 43, 52, 61, 86, 122, 172, 244, 559, 793, 1118, 1579, 1586, 2236, 2623, 3158, 3172, 5246, 6316, 10492, 20527, 34099, 41054, 67897, 68198, 82108, 96319, 135794, 136396, 192638, 271588, 385276, 882661, 1252147, 1765322, 2504294, 3530644, 4141717, 5008588, 8283434, 16566868, 53842321, 107684642, 215369284]

約数ペア:

[(1, 215369284), (2, 107684642), (4, 53842321), (13, 16566868), (26, 8283434), (43, 5008588), (52, 4141717), (61, 3530644), (86, 2504294), (122, 1765322), (172, 1252147), (244, 882661), (559, 385276), (793, 271588), (1118, 192638), (1579, 136396), (1586, 135794), (2236, 96319), (2623, 82108), (3158, 68198), (3172, 67897), (5246, 41054), (6316, 34099), (10492, 20527)]