157804955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 250822656

約数和(自身を除く): 93017701

約数列:

[1, 5, 7, 11, 23, 35, 55, 71, 77, 115, 161, 251, 253, 355, 385, 497, 781, 805, 1255, 1265, 1633, 1757, 1771, 2485, 2761, 3905, 5467, 5773, 8165, 8785, 8855, 11431, 13805, 17821, 17963, 19327, 27335, 28865, 40411, 57155, 63503, 89105, 89815, 96635, 124747, 125741, 196031, 202055, 317515, 409883, 444521, 623735, 628705, 980155, 1372217, 2049415, 2222605, 2869181, 4508713, 6861085, 14345905, 22543565, 31560991, 157804955]

約数ペア:

[(1, 157804955), (5, 31560991), (7, 22543565), (11, 14345905), (23, 6861085), (35, 4508713), (55, 2869181), (71, 2222605), (77, 2049415), (115, 1372217), (161, 980155), (251, 628705), (253, 623735), (355, 444521), (385, 409883), (497, 317515), (781, 202055), (805, 196031), (1255, 125741), (1265, 124747), (1633, 96635), (1757, 89815), (1771, 89105), (2485, 63503), (2761, 57155), (3905, 40411), (5467, 28865), (5773, 27335), (8165, 19327), (8785, 17963), (8855, 17821), (11431, 13805)]