788947551

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{659}}^1$

素因数の和:1316

約数の個数: 48

約数和(自身を含む): 1348638720

約数和(自身を除く): 559691169

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 613, 651, 659, 1839, 1953, 1977, 4291, 4613, 5517, 5931, 12873, 13839, 19003, 20429, 38619, 41517, 57009, 61287, 133021, 143003, 171027, 183861, 399063, 403967, 429009, 1197189, 1211901, 1287027, 2827769, 3635703, 8483307, 12522977, 25449921, 37568931, 87660839, 112706793, 262982517, 788947551]

約数ペア:

[(1, 788947551), (3, 262982517), (7, 112706793), (9, 87660839), (21, 37568931), (31, 25449921), (63, 12522977), (93, 8483307), (217, 3635703), (279, 2827769), (613, 1287027), (651, 1211901), (659, 1197189), (1839, 429009), (1953, 403967), (1977, 399063), (4291, 183861), (4613, 171027), (5517, 143003), (5931, 133021), (12873, 61287), (13839, 57009), (19003, 41517), (20429, 38619)]