12946850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 27962496

約数和(自身を除く): 15015646

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 497, 521, 710, 994, 1042, 1775, 2485, 2605, 3550, 3647, 4970, 5210, 7294, 12425, 13025, 18235, 24850, 26050, 36470, 36991, 73982, 91175, 182350, 184955, 258937, 369910, 517874, 924775, 1294685, 1849550, 2589370, 6473425, 12946850]

約数ペア:

[(1, 12946850), (2, 6473425), (5, 2589370), (7, 1849550), (10, 1294685), (14, 924775), (25, 517874), (35, 369910), (50, 258937), (70, 184955), (71, 182350), (142, 91175), (175, 73982), (350, 36991), (355, 36470), (497, 26050), (521, 24850), (710, 18235), (994, 13025), (1042, 12425), (1775, 7294), (2485, 5210), (2605, 4970), (3550, 3647)]