78398216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1481}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 158722200

約数和(自身を除く): 80323984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 509, 1018, 1481, 2036, 2962, 4072, 5924, 6617, 11848, 13234, 19253, 26468, 38506, 52936, 77012, 154024, 753829, 1507658, 3015316, 6030632, 9799777, 19599554, 39199108, 78398216]

約数ペア:

[(1, 78398216), (2, 39199108), (4, 19599554), (8, 9799777), (13, 6030632), (26, 3015316), (52, 1507658), (104, 753829), (509, 154024), (1018, 77012), (1481, 52936), (2036, 38506), (2962, 26468), (4072, 19253), (5924, 13234), (6617, 11848)]