42789215

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 60632064

約数和(自身を除く): 17842849

約数列:

[1, 5, 7, 35, 67, 71, 257, 335, 355, 469, 497, 1285, 1799, 2345, 2485, 4757, 8995, 17219, 18247, 23785, 33299, 86095, 91235, 120533, 127729, 166495, 602665, 638645, 1222549, 6112745, 8557843, 42789215]

約数ペア:

[(1, 42789215), (5, 8557843), (7, 6112745), (35, 1222549), (67, 638645), (71, 602665), (257, 166495), (335, 127729), (355, 120533), (469, 91235), (497, 86095), (1285, 33299), (1799, 23785), (2345, 18247), (2485, 17219), (4757, 8995)]