1990386

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 4838400

約数和(自身を除く): 2848014

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 31, 41, 54, 58, 62, 82, 87, 93, 123, 174, 186, 246, 261, 279, 369, 522, 558, 738, 783, 837, 899, 1107, 1189, 1271, 1566, 1674, 1798, 2214, 2378, 2542, 2697, 3567, 3813, 5394, 7134, 7626, 8091, 10701, 11439, 16182, 21402, 22878, 24273, 32103, 34317, 36859, 48546, 64206, 68634, 73718, 110577, 221154, 331731, 663462, 995193, 1990386]

約数ペア:

[(1, 1990386), (2, 995193), (3, 663462), (6, 331731), (9, 221154), (18, 110577), (27, 73718), (29, 68634), (31, 64206), (41, 48546), (54, 36859), (58, 34317), (62, 32103), (82, 24273), (87, 22878), (93, 21402), (123, 16182), (174, 11439), (186, 10701), (246, 8091), (261, 7626), (279, 7134), (369, 5394), (522, 3813), (558, 3567), (738, 2697), (783, 2542), (837, 2378), (899, 2214), (1107, 1798), (1189, 1674), (1271, 1566)]