78488938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 131725440

約数和(自身を除く): 53236502

約数列:

[1, 2, 11, 22, 71, 109, 142, 218, 461, 781, 922, 1199, 1562, 2398, 5071, 7739, 10142, 15478, 32731, 50249, 65462, 85129, 100498, 170258, 360041, 552739, 720082, 1105478, 3567679, 7135358, 39244469, 78488938]

約数ペア:

[(1, 78488938), (2, 39244469), (11, 7135358), (22, 3567679), (71, 1105478), (109, 720082), (142, 552739), (218, 360041), (461, 170258), (781, 100498), (922, 85129), (1199, 65462), (1562, 50249), (2398, 32731), (5071, 15478), (7739, 10142)]