123438906

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2657}}^1$

素因数の和:2783

約数の個数: 48

約数和(自身を含む): 279887400

約数和(自身を除く): 156448494

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 89, 174, 178, 261, 267, 522, 534, 801, 1602, 2581, 2657, 5162, 5314, 7743, 7971, 15486, 15942, 23229, 23913, 46458, 47826, 77053, 154106, 231159, 236473, 462318, 472946, 693477, 709419, 1386954, 1418838, 2128257, 4256514, 6857717, 13715434, 20573151, 41146302, 61719453, 123438906]

約数ペア:

[(1, 123438906), (2, 61719453), (3, 41146302), (6, 20573151), (9, 13715434), (18, 6857717), (29, 4256514), (58, 2128257), (87, 1418838), (89, 1386954), (174, 709419), (178, 693477), (261, 472946), (267, 462318), (522, 236473), (534, 231159), (801, 154106), (1602, 77053), (2581, 47826), (2657, 46458), (5162, 23913), (5314, 23229), (7743, 15942), (7971, 15486)]