1666703984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{133379}}^1$

素因数の和:133469

約数の個数: 40

約数和(自身を含む): 3572449920

約数和(自身を除く): 1905745936

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 3124, 6248, 12496, 133379, 266758, 533516, 1067032, 1467169, 2134064, 2934338, 5868676, 9469909, 11737352, 18939818, 23474704, 37879636, 75759272, 104168999, 151518544, 208337998, 416675996, 833351992, 1666703984]

約数ペア:

[(1, 1666703984), (2, 833351992), (4, 416675996), (8, 208337998), (11, 151518544), (16, 104168999), (22, 75759272), (44, 37879636), (71, 23474704), (88, 18939818), (142, 11737352), (176, 9469909), (284, 5868676), (568, 2934338), (781, 2134064), (1136, 1467169), (1562, 1067032), (3124, 533516), (6248, 266758), (12496, 133379)]