2018784855

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{787}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 3425038848

約数和(自身を除く): 1406253993

約数列:

[1, 3, 5, 15, 41, 43, 97, 123, 129, 205, 215, 291, 485, 615, 645, 787, 1455, 1763, 2361, 3935, 3977, 4171, 5289, 8815, 11805, 11931, 12513, 19885, 20855, 26445, 32267, 33841, 59655, 62565, 76339, 96801, 101523, 161335, 169205, 171011, 229017, 381695, 484005, 507615, 513033, 855055, 1145085, 1387481, 2565165, 3129899, 3282577, 4162443, 6937405, 9389697, 9847731, 15649495, 16412885, 20812215, 46948485, 49238655, 134585657, 403756971, 672928285, 2018784855]

約数ペア:

[(1, 2018784855), (3, 672928285), (5, 403756971), (15, 134585657), (41, 49238655), (43, 46948485), (97, 20812215), (123, 16412885), (129, 15649495), (205, 9847731), (215, 9389697), (291, 6937405), (485, 4162443), (615, 3282577), (645, 3129899), (787, 2565165), (1455, 1387481), (1763, 1145085), (2361, 855055), (3935, 513033), (3977, 507615), (4171, 484005), (5289, 381695), (8815, 229017), (11805, 171011), (11931, 169205), (12513, 161335), (19885, 101523), (20855, 96801), (26445, 76339), (32267, 62565), (33841, 59655)]