28415210

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 52272000

約数和(自身を除く): 23856790

約数列:

[1, 2, 5, 10, 109, 131, 199, 218, 262, 398, 545, 655, 995, 1090, 1310, 1990, 14279, 21691, 26069, 28558, 43382, 52138, 71395, 108455, 130345, 142790, 216910, 260690, 2841521, 5683042, 14207605, 28415210]

約数ペア:

[(1, 28415210), (2, 14207605), (5, 5683042), (10, 2841521), (109, 260690), (131, 216910), (199, 142790), (218, 130345), (262, 108455), (398, 71395), (545, 52138), (655, 43382), (995, 28558), (1090, 26069), (1310, 21691), (1990, 14279)]