68017565

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 108380160

約数和(自身を除く): 40362595

約数列:

[1, 5, 7, 11, 31, 35, 41, 55, 77, 139, 155, 205, 217, 287, 341, 385, 451, 695, 973, 1085, 1271, 1435, 1529, 1705, 2255, 2387, 3157, 4309, 4865, 5699, 6355, 7645, 8897, 10703, 11935, 13981, 15785, 21545, 28495, 30163, 39893, 44485, 47399, 53515, 62689, 69905, 97867, 150815, 176669, 199465, 236995, 313445, 331793, 438823, 489335, 883345, 1236683, 1658965, 1943359, 2194115, 6183415, 9716795, 13603513, 68017565]

約数ペア:

[(1, 68017565), (5, 13603513), (7, 9716795), (11, 6183415), (31, 2194115), (35, 1943359), (41, 1658965), (55, 1236683), (77, 883345), (139, 489335), (155, 438823), (205, 331793), (217, 313445), (287, 236995), (341, 199465), (385, 176669), (451, 150815), (695, 97867), (973, 69905), (1085, 62689), (1271, 53515), (1435, 47399), (1529, 44485), (1705, 39893), (2255, 30163), (2387, 28495), (3157, 21545), (4309, 15785), (4865, 13981), (5699, 11935), (6355, 10703), (7645, 8897)]