213211544

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 517440000

約数和(自身を除く): 304228456

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 49, 52, 56, 86, 91, 98, 104, 139, 172, 182, 196, 278, 301, 343, 344, 364, 392, 556, 559, 602, 637, 686, 728, 973, 1112, 1118, 1204, 1274, 1372, 1807, 1946, 2107, 2236, 2408, 2548, 2744, 3614, 3892, 3913, 4214, 4459, 4472, 5096, 5977, 6811, 7228, 7784, 7826, 8428, 8918, 11954, 12649, 13622, 14456, 14749, 15652, 16856, 17836, 23908, 25298, 27244, 27391, 29498, 31304, 35672, 41839, 47677, 47816, 50596, 54488, 54782, 58996, 77701, 83678, 88543, 95354, 101192, 109564, 117992, 155402, 167356, 177086, 190708, 191737, 219128, 292873, 310804, 334712, 354172, 381416, 383474, 543907, 585746, 619801, 621608, 708344, 766948, 1087814, 1171492, 1239602, 1533896, 2050111, 2175628, 2342984, 2479204, 3807349, 4100222, 4351256, 4958408, 7614698, 8200444, 15229396, 16400888, 26651443, 30458792, 53302886, 106605772, 213211544]

約数ペア:

[(1, 213211544), (2, 106605772), (4, 53302886), (7, 30458792), (8, 26651443), (13, 16400888), (14, 15229396), (26, 8200444), (28, 7614698), (43, 4958408), (49, 4351256), (52, 4100222), (56, 3807349), (86, 2479204), (91, 2342984), (98, 2175628), (104, 2050111), (139, 1533896), (172, 1239602), (182, 1171492), (196, 1087814), (278, 766948), (301, 708344), (343, 621608), (344, 619801), (364, 585746), (392, 543907), (556, 383474), (559, 381416), (602, 354172), (637, 334712), (686, 310804), (728, 292873), (973, 219128), (1112, 191737), (1118, 190708), (1204, 177086), (1274, 167356), (1372, 155402), (1807, 117992), (1946, 109564), (2107, 101192), (2236, 95354), (2408, 88543), (2548, 83678), (2744, 77701), (3614, 58996), (3892, 54782), (3913, 54488), (4214, 50596), (4459, 47816), (4472, 47677), (5096, 41839), (5977, 35672), (6811, 31304), (7228, 29498), (7784, 27391), (7826, 27244), (8428, 25298), (8918, 23908), (11954, 17836), (12649, 16856), (13622, 15652), (14456, 14749)]