1217533681

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1\times {\mathrm{991}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 1567899648

約数和(自身を除く): 350365967

約数列:

[1, 7, 13, 23, 91, 161, 299, 587, 991, 2093, 4109, 6937, 7631, 12883, 13501, 22793, 53417, 90181, 94507, 159551, 175513, 296309, 581717, 1228591, 2074163, 4072019, 7562321, 13379491, 52936247, 93656437, 173933383, 1217533681]

約数ペア:

[(1, 1217533681), (7, 173933383), (13, 93656437), (23, 52936247), (91, 13379491), (161, 7562321), (299, 4072019), (587, 2074163), (991, 1228591), (2093, 581717), (4109, 296309), (6937, 175513), (7631, 159551), (12883, 94507), (13501, 90181), (22793, 53417)]