81851532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 244242432

約数和(自身を除く): 162390900

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 31, 34, 42, 43, 51, 62, 68, 84, 86, 93, 102, 119, 124, 129, 172, 186, 204, 217, 238, 258, 301, 357, 372, 434, 476, 516, 527, 602, 651, 714, 731, 868, 903, 1054, 1204, 1302, 1333, 1428, 1462, 1581, 1806, 1849, 2108, 2193, 2604, 2666, 2924, 3162, 3612, 3689, 3698, 3999, 4386, 5117, 5332, 5547, 6324, 7378, 7396, 7998, 8772, 9331, 10234, 11067, 11094, 12943, 14756, 15351, 15996, 18662, 20468, 22134, 22188, 22661, 25886, 27993, 30702, 31433, 37324, 38829, 44268, 45322, 51772, 55986, 57319, 61404, 62866, 67983, 77658, 90644, 94299, 111972, 114638, 125732, 135966, 155316, 158627, 171957, 188598, 220031, 229276, 271932, 317254, 343914, 377196, 401233, 440062, 475881, 634508, 660093, 687828, 802466, 880124, 951762, 974423, 1203699, 1320186, 1604932, 1903524, 1948846, 2407398, 2640372, 2923269, 3897692, 4814796, 5846538, 6820961, 11693076, 13641922, 20462883, 27283844, 40925766, 81851532]

約数ペア:

[(1, 81851532), (2, 40925766), (3, 27283844), (4, 20462883), (6, 13641922), (7, 11693076), (12, 6820961), (14, 5846538), (17, 4814796), (21, 3897692), (28, 2923269), (31, 2640372), (34, 2407398), (42, 1948846), (43, 1903524), (51, 1604932), (62, 1320186), (68, 1203699), (84, 974423), (86, 951762), (93, 880124), (102, 802466), (119, 687828), (124, 660093), (129, 634508), (172, 475881), (186, 440062), (204, 401233), (217, 377196), (238, 343914), (258, 317254), (301, 271932), (357, 229276), (372, 220031), (434, 188598), (476, 171957), (516, 158627), (527, 155316), (602, 135966), (651, 125732), (714, 114638), (731, 111972), (868, 94299), (903, 90644), (1054, 77658), (1204, 67983), (1302, 62866), (1333, 61404), (1428, 57319), (1462, 55986), (1581, 51772), (1806, 45322), (1849, 44268), (2108, 38829), (2193, 37324), (2604, 31433), (2666, 30702), (2924, 27993), (3162, 25886), (3612, 22661), (3689, 22188), (3698, 22134), (3999, 20468), (4386, 18662), (5117, 15996), (5332, 15351), (5547, 14756), (6324, 12943), (7378, 11094), (7396, 11067), (7998, 10234), (8772, 9331)]