828211345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2957}}^1$

素因数の和:3145

約数の個数: 32

約数和(自身を含む): 1113154560

約数和(自身を除く): 284943215

約数列:

[1, 5, 13, 31, 65, 139, 155, 403, 695, 1807, 2015, 2957, 4309, 9035, 14785, 21545, 38441, 56017, 91667, 192205, 280085, 411023, 458335, 1191671, 2055115, 5343299, 5958355, 12741713, 26716495, 63708565, 165642269, 828211345]

約数ペア:

[(1, 828211345), (5, 165642269), (13, 63708565), (31, 26716495), (65, 12741713), (139, 5958355), (155, 5343299), (403, 2055115), (695, 1191671), (1807, 458335), (2015, 411023), (2957, 280085), (4309, 192205), (9035, 91667), (14785, 56017), (21545, 38441)]