849494191

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 1061222400

約数和(自身を除く): 211728209

約数列:

[1, 7, 13, 91, 139, 239, 281, 973, 1673, 1807, 1967, 3107, 3653, 12649, 21749, 25571, 33221, 39059, 67159, 232547, 273413, 431873, 470113, 507767, 873067, 3023111, 3554369, 6111469, 9335101, 65345707, 121356313, 849494191]

約数ペア:

[(1, 849494191), (7, 121356313), (13, 65345707), (91, 9335101), (139, 6111469), (239, 3554369), (281, 3023111), (973, 873067), (1673, 507767), (1807, 470113), (1967, 431873), (3107, 273413), (3653, 232547), (12649, 67159), (21749, 39059), (25571, 33221)]