78977801

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 100270080

約数和(自身を除く): 21292279

約数列:

[1, 7, 17, 31, 79, 119, 217, 271, 527, 553, 1343, 1897, 2449, 3689, 4607, 8401, 9401, 17143, 21409, 32249, 41633, 58807, 142817, 149863, 291431, 363953, 663679, 999719, 2547671, 4645753, 11282543, 78977801]

約数ペア:

[(1, 78977801), (7, 11282543), (17, 4645753), (31, 2547671), (79, 999719), (119, 663679), (217, 363953), (271, 291431), (527, 149863), (553, 142817), (1343, 58807), (1897, 41633), (2449, 32249), (3689, 21409), (4607, 17143), (8401, 9401)]