217920824

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 504299520

約数和(自身を除く): 286378696

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 37, 44, 62, 68, 74, 88, 124, 127, 136, 148, 187, 248, 254, 296, 341, 374, 407, 508, 527, 629, 682, 748, 814, 1016, 1054, 1147, 1258, 1364, 1397, 1496, 1628, 2108, 2159, 2294, 2516, 2728, 2794, 3256, 3937, 4216, 4318, 4588, 4699, 5032, 5588, 5797, 6919, 7874, 8636, 9176, 9398, 11176, 11594, 12617, 13838, 15748, 17272, 18796, 19499, 23188, 23749, 25234, 27676, 31496, 37592, 38998, 43307, 46376, 47498, 50468, 51689, 55352, 66929, 77996, 79883, 86614, 94996, 100936, 103378, 133858, 145669, 155992, 159766, 173228, 189992, 206756, 214489, 267716, 291338, 319532, 346456, 413512, 428978, 535432, 582676, 639064, 736219, 857956, 878713, 1165352, 1472438, 1602359, 1715912, 1757426, 2476373, 2944876, 3204718, 3514852, 4952746, 5889752, 6409436, 7029704, 9905492, 12818872, 19810984, 27240103, 54480206, 108960412, 217920824]

約数ペア:

[(1, 217920824), (2, 108960412), (4, 54480206), (8, 27240103), (11, 19810984), (17, 12818872), (22, 9905492), (31, 7029704), (34, 6409436), (37, 5889752), (44, 4952746), (62, 3514852), (68, 3204718), (74, 2944876), (88, 2476373), (124, 1757426), (127, 1715912), (136, 1602359), (148, 1472438), (187, 1165352), (248, 878713), (254, 857956), (296, 736219), (341, 639064), (374, 582676), (407, 535432), (508, 428978), (527, 413512), (629, 346456), (682, 319532), (748, 291338), (814, 267716), (1016, 214489), (1054, 206756), (1147, 189992), (1258, 173228), (1364, 159766), (1397, 155992), (1496, 145669), (1628, 133858), (2108, 103378), (2159, 100936), (2294, 94996), (2516, 86614), (2728, 79883), (2794, 77996), (3256, 66929), (3937, 55352), (4216, 51689), (4318, 50468), (4588, 47498), (4699, 46376), (5032, 43307), (5588, 38998), (5797, 37592), (6919, 31496), (7874, 27676), (8636, 25234), (9176, 23749), (9398, 23188), (11176, 19499), (11594, 18796), (12617, 17272), (13838, 15748)]