73781636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 141039360

約数和(自身を除く): 67257724

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 107, 172, 211, 214, 422, 428, 817, 844, 1634, 2033, 3268, 4009, 4066, 4601, 8018, 8132, 9073, 9202, 16036, 18146, 18404, 22577, 36292, 45154, 87419, 90308, 172387, 174838, 344774, 349676, 428963, 689548, 857926, 970811, 1715852, 1941622, 3883244, 18445409, 36890818, 73781636]

約数ペア:

[(1, 73781636), (2, 36890818), (4, 18445409), (19, 3883244), (38, 1941622), (43, 1715852), (76, 970811), (86, 857926), (107, 689548), (172, 428963), (211, 349676), (214, 344774), (422, 174838), (428, 172387), (817, 90308), (844, 87419), (1634, 45154), (2033, 36292), (3268, 22577), (4009, 18404), (4066, 18146), (4601, 16036), (8018, 9202), (8132, 9073)]