28508508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 88058880

約数和(自身を除く): 59550372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 47, 58, 63, 83, 84, 87, 94, 116, 126, 141, 166, 174, 188, 203, 249, 252, 261, 282, 329, 332, 348, 406, 423, 498, 522, 564, 581, 609, 658, 747, 812, 846, 987, 996, 1044, 1162, 1218, 1316, 1363, 1494, 1692, 1743, 1827, 1974, 2324, 2407, 2436, 2726, 2961, 2988, 3486, 3654, 3901, 3948, 4089, 4814, 5229, 5452, 5922, 6972, 7221, 7308, 7802, 8178, 9541, 9628, 10458, 11703, 11844, 12267, 14442, 15604, 16356, 16849, 19082, 20916, 21663, 23406, 24534, 27307, 28623, 28884, 33698, 35109, 38164, 43326, 46812, 49068, 50547, 54614, 57246, 67396, 70218, 81921, 85869, 86652, 101094, 109228, 113129, 114492, 140436, 151641, 163842, 171738, 202188, 226258, 245763, 303282, 327684, 339387, 343476, 452516, 491526, 606564, 678774, 791903, 983052, 1018161, 1357548, 1583806, 2036322, 2375709, 3167612, 4072644, 4751418, 7127127, 9502836, 14254254, 28508508]

約数ペア:

[(1, 28508508), (2, 14254254), (3, 9502836), (4, 7127127), (6, 4751418), (7, 4072644), (9, 3167612), (12, 2375709), (14, 2036322), (18, 1583806), (21, 1357548), (28, 1018161), (29, 983052), (36, 791903), (42, 678774), (47, 606564), (58, 491526), (63, 452516), (83, 343476), (84, 339387), (87, 327684), (94, 303282), (116, 245763), (126, 226258), (141, 202188), (166, 171738), (174, 163842), (188, 151641), (203, 140436), (249, 114492), (252, 113129), (261, 109228), (282, 101094), (329, 86652), (332, 85869), (348, 81921), (406, 70218), (423, 67396), (498, 57246), (522, 54614), (564, 50547), (581, 49068), (609, 46812), (658, 43326), (747, 38164), (812, 35109), (846, 33698), (987, 28884), (996, 28623), (1044, 27307), (1162, 24534), (1218, 23406), (1316, 21663), (1363, 20916), (1494, 19082), (1692, 16849), (1743, 16356), (1827, 15604), (1974, 14442), (2324, 12267), (2407, 11844), (2436, 11703), (2726, 10458), (2961, 9628), (2988, 9541), (3486, 8178), (3654, 7802), (3901, 7308), (3948, 7221), (4089, 6972), (4814, 5922), (5229, 5452)]