7868380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 18162144

約数和(自身を除く): 10293764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 571, 689, 1060, 1142, 1378, 2284, 2756, 2855, 3445, 5710, 6890, 7423, 11420, 13780, 14846, 29692, 30263, 37115, 60526, 74230, 121052, 148460, 151315, 302630, 393419, 605260, 786838, 1573676, 1967095, 3934190, 7868380]

約数ペア:

[(1, 7868380), (2, 3934190), (4, 1967095), (5, 1573676), (10, 786838), (13, 605260), (20, 393419), (26, 302630), (52, 151315), (53, 148460), (65, 121052), (106, 74230), (130, 60526), (212, 37115), (260, 30263), (265, 29692), (530, 14846), (571, 13780), (689, 11420), (1060, 7423), (1142, 6890), (1378, 5710), (2284, 3445), (2756, 2855)]