80697902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 130636800

約数和(自身を除く): 49938898

約数列:

[1, 2, 19, 38, 89, 107, 178, 214, 223, 446, 1691, 2033, 3382, 4066, 4237, 8474, 9523, 19046, 19847, 23861, 39694, 47722, 180937, 361874, 377093, 453359, 754186, 906718, 2123629, 4247258, 40348951, 80697902]

約数ペア:

[(1, 80697902), (2, 40348951), (19, 4247258), (38, 2123629), (89, 906718), (107, 754186), (178, 453359), (214, 377093), (223, 361874), (446, 180937), (1691, 47722), (2033, 39694), (3382, 23861), (4066, 19847), (4237, 19046), (8474, 9523)]