28938636

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 77248080

約数和(自身を除く): 48309444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 53, 58, 87, 106, 116, 159, 174, 212, 261, 318, 348, 477, 522, 523, 636, 954, 1044, 1046, 1537, 1569, 1908, 2092, 3074, 3138, 4611, 4707, 6148, 6276, 9222, 9414, 13833, 15167, 18444, 18828, 27666, 27719, 30334, 45501, 55332, 55438, 60668, 83157, 91002, 110876, 136503, 166314, 182004, 249471, 273006, 332628, 498942, 546012, 803851, 997884, 1607702, 2411553, 3215404, 4823106, 7234659, 9646212, 14469318, 28938636]

約数ペア:

[(1, 28938636), (2, 14469318), (3, 9646212), (4, 7234659), (6, 4823106), (9, 3215404), (12, 2411553), (18, 1607702), (29, 997884), (36, 803851), (53, 546012), (58, 498942), (87, 332628), (106, 273006), (116, 249471), (159, 182004), (174, 166314), (212, 136503), (261, 110876), (318, 91002), (348, 83157), (477, 60668), (522, 55438), (523, 55332), (636, 45501), (954, 30334), (1044, 27719), (1046, 27666), (1537, 18828), (1569, 18444), (1908, 15167), (2092, 13833), (3074, 9414), (3138, 9222), (4611, 6276), (4707, 6148)]