67431988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 135051840

約数和(自身を除く): 67619852

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 131, 247, 262, 494, 521, 524, 988, 1042, 1703, 2084, 2489, 3406, 4978, 6773, 6812, 9899, 9956, 13546, 19798, 27092, 32357, 39596, 64714, 68251, 128687, 129428, 136502, 257374, 273004, 514748, 887263, 1296769, 1774526, 2593538, 3549052, 5187076, 16857997, 33715994, 67431988]

約数ペア:

[(1, 67431988), (2, 33715994), (4, 16857997), (13, 5187076), (19, 3549052), (26, 2593538), (38, 1774526), (52, 1296769), (76, 887263), (131, 514748), (247, 273004), (262, 257374), (494, 136502), (521, 129428), (524, 128687), (988, 68251), (1042, 64714), (1703, 39596), (2084, 32357), (2489, 27092), (3406, 19798), (4978, 13546), (6773, 9956), (6812, 9899)]