64970890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1973}}^1$

素因数の和:2106

約数の個数: 32

約数和(自身を含む): 121519440

約数和(自身を除く): 56548550

約数列:

[1, 2, 5, 10, 37, 74, 89, 178, 185, 370, 445, 890, 1973, 3293, 3946, 6586, 9865, 16465, 19730, 32930, 73001, 146002, 175597, 351194, 365005, 730010, 877985, 1755970, 6497089, 12994178, 32485445, 64970890]

約数ペア:

[(1, 64970890), (2, 32485445), (5, 12994178), (10, 6497089), (37, 1755970), (74, 877985), (89, 730010), (178, 365005), (185, 351194), (370, 175597), (445, 146002), (890, 73001), (1973, 32930), (3293, 19730), (3946, 16465), (6586, 9865)]