84395870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1301}}^1$

素因数の和:1820

約数の個数: 32

約数和(自身を含む): 164052000

約数和(自身を除く): 79656130

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 499, 998, 1301, 2495, 2602, 4990, 6487, 6505, 12974, 13010, 16913, 32435, 33826, 64870, 84565, 169130, 649199, 1298398, 3245995, 6491990, 8439587, 16879174, 42197935, 84395870]

約数ペア:

[(1, 84395870), (2, 42197935), (5, 16879174), (10, 8439587), (13, 6491990), (26, 3245995), (65, 1298398), (130, 649199), (499, 169130), (998, 84565), (1301, 64870), (2495, 33826), (2602, 32435), (4990, 16913), (6487, 13010), (6505, 12974)]