28140684

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 83241984

約数和(自身を除く): 55101300

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 23, 26, 31, 33, 39, 44, 46, 52, 62, 66, 69, 78, 92, 93, 124, 132, 138, 143, 156, 186, 253, 276, 286, 299, 341, 372, 403, 429, 506, 529, 572, 598, 682, 713, 759, 806, 858, 897, 1012, 1023, 1058, 1196, 1209, 1364, 1426, 1518, 1587, 1612, 1716, 1794, 2046, 2116, 2139, 2418, 2852, 3036, 3174, 3289, 3588, 4092, 4278, 4433, 4836, 5819, 6348, 6578, 6877, 7843, 8556, 8866, 9269, 9867, 11638, 13156, 13299, 13754, 15686, 16399, 17457, 17732, 18538, 19734, 20631, 23276, 23529, 26598, 27508, 27807, 31372, 32798, 34914, 37076, 39468, 41262, 47058, 49197, 53196, 55614, 65596, 69828, 75647, 82524, 94116, 98394, 101959, 111228, 151294, 180389, 196788, 203918, 213187, 226941, 302588, 305877, 360778, 407836, 426374, 453882, 541167, 611754, 639561, 721556, 852748, 907764, 1082334, 1223508, 1279122, 2164668, 2345057, 2558244, 4690114, 7035171, 9380228, 14070342, 28140684]

約数ペア:

[(1, 28140684), (2, 14070342), (3, 9380228), (4, 7035171), (6, 4690114), (11, 2558244), (12, 2345057), (13, 2164668), (22, 1279122), (23, 1223508), (26, 1082334), (31, 907764), (33, 852748), (39, 721556), (44, 639561), (46, 611754), (52, 541167), (62, 453882), (66, 426374), (69, 407836), (78, 360778), (92, 305877), (93, 302588), (124, 226941), (132, 213187), (138, 203918), (143, 196788), (156, 180389), (186, 151294), (253, 111228), (276, 101959), (286, 98394), (299, 94116), (341, 82524), (372, 75647), (403, 69828), (429, 65596), (506, 55614), (529, 53196), (572, 49197), (598, 47058), (682, 41262), (713, 39468), (759, 37076), (806, 34914), (858, 32798), (897, 31372), (1012, 27807), (1023, 27508), (1058, 26598), (1196, 23529), (1209, 23276), (1364, 20631), (1426, 19734), (1518, 18538), (1587, 17732), (1612, 17457), (1716, 16399), (1794, 15686), (2046, 13754), (2116, 13299), (2139, 13156), (2418, 11638), (2852, 9867), (3036, 9269), (3174, 8866), (3289, 8556), (3588, 7843), (4092, 6877), (4278, 6578), (4433, 6348), (4836, 5819)]