6403990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 12060576

約数和(自身を除く): 5656586

約数列:

[1, 2, 5, 10, 43, 53, 86, 106, 215, 265, 281, 430, 530, 562, 1405, 2279, 2810, 4558, 11395, 12083, 14893, 22790, 24166, 29786, 60415, 74465, 120830, 148930, 640399, 1280798, 3201995, 6403990]

約数ペア:

[(1, 6403990), (2, 3201995), (5, 1280798), (10, 640399), (43, 148930), (53, 120830), (86, 74465), (106, 60415), (215, 29786), (265, 24166), (281, 22790), (430, 14893), (530, 12083), (562, 11395), (1405, 4558), (2279, 2810)]