287906164

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{313}}^1$

素因数の和:382

約数の個数: 108

約数和(自身を含む): 668275524

約数和(自身を除く): 380369360

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 313, 361, 364, 494, 532, 626, 637, 722, 931, 988, 1252, 1274, 1444, 1729, 1862, 2191, 2527, 2548, 3458, 3724, 4069, 4382, 4693, 5054, 5947, 6916, 8138, 8764, 9386, 10108, 11894, 12103, 15337, 16276, 17689, 18772, 23788, 24206, 28483, 30674, 32851, 35378, 41629, 48412, 56966, 61348, 65702, 70756, 77311, 83258, 112993, 113932, 131404, 154622, 166516, 199381, 225986, 229957, 291403, 309244, 398762, 451972, 459914, 541177, 582806, 790951, 797524, 919828, 1082354, 1165612, 1468909, 1581902, 2164708, 2937818, 3163804, 3788239, 5536657, 5875636, 7576478, 10282363, 11073314, 15152956, 20564726, 22146628, 41129452, 71976541, 143953082, 287906164]

約数ペア:

[(1, 287906164), (2, 143953082), (4, 71976541), (7, 41129452), (13, 22146628), (14, 20564726), (19, 15152956), (26, 11073314), (28, 10282363), (38, 7576478), (49, 5875636), (52, 5536657), (76, 3788239), (91, 3163804), (98, 2937818), (133, 2164708), (182, 1581902), (196, 1468909), (247, 1165612), (266, 1082354), (313, 919828), (361, 797524), (364, 790951), (494, 582806), (532, 541177), (626, 459914), (637, 451972), (722, 398762), (931, 309244), (988, 291403), (1252, 229957), (1274, 225986), (1444, 199381), (1729, 166516), (1862, 154622), (2191, 131404), (2527, 113932), (2548, 112993), (3458, 83258), (3724, 77311), (4069, 70756), (4382, 65702), (4693, 61348), (5054, 56966), (5947, 48412), (6916, 41629), (8138, 35378), (8764, 32851), (9386, 30674), (10108, 28483), (11894, 24206), (12103, 23788), (15337, 18772), (16276, 17689)]