1640952005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{224327}}^1$

素因数の和:224369

約数の個数: 32

約数和(自身を含む): 2584258560

約数和(自身を除く): 943306555

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 224327, 1121635, 1570289, 2467597, 4262213, 7851445, 12337985, 17273179, 21311065, 29835491, 46884343, 86365895, 149177455, 234421715, 328190401, 1640952005]

約数ペア:

[(1, 1640952005), (5, 328190401), (7, 234421715), (11, 149177455), (19, 86365895), (35, 46884343), (55, 29835491), (77, 21311065), (95, 17273179), (133, 12337985), (209, 7851445), (385, 4262213), (665, 2467597), (1045, 1570289), (1463, 1121635), (7315, 224327)]