391910428

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 893765488

約数和(自身を除く): 501855060

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 49, 52, 73, 86, 91, 98, 146, 172, 182, 196, 292, 301, 343, 364, 511, 559, 602, 637, 686, 949, 1022, 1118, 1204, 1274, 1372, 1898, 2044, 2107, 2236, 2401, 2548, 3139, 3577, 3796, 3913, 4214, 4459, 4802, 6278, 6643, 7154, 7826, 8428, 8918, 9604, 12556, 13286, 14308, 14749, 15652, 17836, 21973, 25039, 26572, 27391, 29498, 31213, 40807, 43946, 46501, 50078, 54782, 58996, 62426, 81614, 87892, 93002, 100156, 103243, 109564, 124852, 153811, 163228, 175273, 186004, 191737, 206486, 285649, 307622, 325507, 350546, 383474, 412972, 571298, 615244, 651014, 701092, 766948, 1076677, 1142596, 1302028, 1342159, 1999543, 2153354, 2278549, 2684318, 3999086, 4306708, 4557098, 5368636, 7536739, 7998172, 9114196, 13996801, 15073478, 27993602, 30146956, 55987204, 97977607, 195955214, 391910428]

約数ペア:

[(1, 391910428), (2, 195955214), (4, 97977607), (7, 55987204), (13, 30146956), (14, 27993602), (26, 15073478), (28, 13996801), (43, 9114196), (49, 7998172), (52, 7536739), (73, 5368636), (86, 4557098), (91, 4306708), (98, 3999086), (146, 2684318), (172, 2278549), (182, 2153354), (196, 1999543), (292, 1342159), (301, 1302028), (343, 1142596), (364, 1076677), (511, 766948), (559, 701092), (602, 651014), (637, 615244), (686, 571298), (949, 412972), (1022, 383474), (1118, 350546), (1204, 325507), (1274, 307622), (1372, 285649), (1898, 206486), (2044, 191737), (2107, 186004), (2236, 175273), (2401, 163228), (2548, 153811), (3139, 124852), (3577, 109564), (3796, 103243), (3913, 100156), (4214, 93002), (4459, 87892), (4802, 81614), (6278, 62426), (6643, 58996), (7154, 54782), (7826, 50078), (8428, 46501), (8918, 43946), (9604, 40807), (12556, 31213), (13286, 29498), (14308, 27391), (14749, 26572), (15652, 25039), (17836, 21973)]