389502724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 796594176

約数和(自身を除く): 407091452

約数列:

[1, 2, 4, 13, 26, 31, 47, 52, 53, 62, 94, 97, 106, 124, 188, 194, 212, 388, 403, 611, 689, 806, 1222, 1261, 1378, 1457, 1612, 1643, 2444, 2491, 2522, 2756, 2914, 3007, 3286, 4559, 4982, 5044, 5141, 5828, 6014, 6572, 9118, 9964, 10282, 12028, 18236, 18941, 20564, 21359, 32383, 37882, 39091, 42718, 59267, 64766, 66833, 75764, 77221, 78182, 85436, 118534, 129532, 133666, 141329, 154442, 156364, 159371, 237068, 241627, 267332, 282658, 308884, 318742, 483254, 565316, 637484, 966508, 1003873, 1837277, 2007746, 2071823, 3141151, 3674554, 4015492, 4143646, 6282302, 7349108, 7490437, 8287292, 12564604, 14980874, 29961748, 97375681, 194751362, 389502724]

約数ペア:

[(1, 389502724), (2, 194751362), (4, 97375681), (13, 29961748), (26, 14980874), (31, 12564604), (47, 8287292), (52, 7490437), (53, 7349108), (62, 6282302), (94, 4143646), (97, 4015492), (106, 3674554), (124, 3141151), (188, 2071823), (194, 2007746), (212, 1837277), (388, 1003873), (403, 966508), (611, 637484), (689, 565316), (806, 483254), (1222, 318742), (1261, 308884), (1378, 282658), (1457, 267332), (1612, 241627), (1643, 237068), (2444, 159371), (2491, 156364), (2522, 154442), (2756, 141329), (2914, 133666), (3007, 129532), (3286, 118534), (4559, 85436), (4982, 78182), (5044, 77221), (5141, 75764), (5828, 66833), (6014, 64766), (6572, 59267), (9118, 42718), (9964, 39091), (10282, 37882), (12028, 32383), (18236, 21359), (18941, 20564)]