64840210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{381413}}^1$

素因数の和:381437

約数の個数: 16

約数和(自身を含む): 123578136

約数和(自身を除く): 58737926

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 381413, 762826, 1907065, 3814130, 6484021, 12968042, 32420105, 64840210]

約数ペア:

[(1, 64840210), (2, 32420105), (5, 12968042), (10, 6484021), (17, 3814130), (34, 1907065), (85, 762826), (170, 381413)]