37890215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 52088832

約数和(自身を除く): 14198617

約数列:

[1, 5, 11, 31, 55, 71, 155, 313, 341, 355, 781, 1565, 1705, 2201, 3443, 3905, 9703, 11005, 17215, 22223, 24211, 48515, 106733, 111115, 121055, 244453, 533665, 688913, 1222265, 3444565, 7578043, 37890215]

約数ペア:

[(1, 37890215), (5, 7578043), (11, 3444565), (31, 1222265), (55, 688913), (71, 533665), (155, 244453), (313, 121055), (341, 111115), (355, 106733), (781, 48515), (1565, 24211), (1705, 22223), (2201, 17215), (3443, 11005), (3905, 9703)]