28990836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3967}}^1$

素因数の和:4013

約数の個数: 72

約数和(自身を含む): 86661120

約数和(自身を除く): 57670284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 3967, 7308, 7934, 11901, 15868, 23802, 27769, 35703, 47604, 55538, 71406, 83307, 111076, 115043, 142812, 166614, 230086, 249921, 333228, 345129, 460172, 499842, 690258, 805301, 999684, 1035387, 1380516, 1610602, 2070774, 2415903, 3221204, 4141548, 4831806, 7247709, 9663612, 14495418, 28990836]

約数ペア:

[(1, 28990836), (2, 14495418), (3, 9663612), (4, 7247709), (6, 4831806), (7, 4141548), (9, 3221204), (12, 2415903), (14, 2070774), (18, 1610602), (21, 1380516), (28, 1035387), (29, 999684), (36, 805301), (42, 690258), (58, 499842), (63, 460172), (84, 345129), (87, 333228), (116, 249921), (126, 230086), (174, 166614), (203, 142812), (252, 115043), (261, 111076), (348, 83307), (406, 71406), (522, 55538), (609, 47604), (812, 35703), (1044, 27769), (1218, 23802), (1827, 15868), (2436, 11901), (3654, 7934), (3967, 7308)]