2019667065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8581}}^1$

素因数の和:8690

約数の個数: 64

約数和(自身を含む): 3737083392

約数和(自身を除く): 1717416327

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 71, 85, 195, 213, 221, 255, 355, 663, 923, 1065, 1105, 1207, 2769, 3315, 3621, 4615, 6035, 8581, 13845, 15691, 18105, 25743, 42905, 47073, 78455, 111553, 128715, 145877, 235365, 334659, 437631, 557765, 609251, 729385, 1673295, 1827753, 1896401, 2188155, 3046255, 5689203, 7920263, 9138765, 9482005, 10357267, 23760789, 28446015, 31071801, 39601315, 51786335, 118803945, 134644471, 155359005, 403933413, 673222355, 2019667065]

約数ペア:

[(1, 2019667065), (3, 673222355), (5, 403933413), (13, 155359005), (15, 134644471), (17, 118803945), (39, 51786335), (51, 39601315), (65, 31071801), (71, 28446015), (85, 23760789), (195, 10357267), (213, 9482005), (221, 9138765), (255, 7920263), (355, 5689203), (663, 3046255), (923, 2188155), (1065, 1896401), (1105, 1827753), (1207, 1673295), (2769, 729385), (3315, 609251), (3621, 557765), (4615, 437631), (6035, 334659), (8581, 235365), (13845, 145877), (15691, 128715), (18105, 111553), (25743, 78455), (42905, 47073)]