208502528

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 483495936

約数和(自身を除く): 274993408

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 43, 47, 52, 62, 64, 86, 94, 104, 124, 128, 172, 188, 208, 248, 256, 344, 376, 403, 416, 496, 559, 611, 688, 752, 806, 832, 992, 1118, 1222, 1333, 1376, 1457, 1504, 1612, 1664, 1984, 2021, 2236, 2444, 2666, 2752, 2914, 3008, 3224, 3328, 3968, 4042, 4472, 4888, 5332, 5504, 5828, 6016, 6448, 7936, 8084, 8944, 9776, 10664, 11008, 11656, 12032, 12896, 16168, 17329, 17888, 18941, 19552, 21328, 23312, 25792, 26273, 32336, 34658, 35776, 37882, 39104, 42656, 46624, 51584, 52546, 62651, 64672, 69316, 71552, 75764, 78208, 85312, 93248, 103168, 105092, 125302, 129344, 138632, 143104, 151528, 156416, 170624, 186496, 210184, 250604, 258688, 277264, 303056, 341248, 372992, 420368, 501208, 517376, 554528, 606112, 814463, 840736, 1002416, 1109056, 1212224, 1628926, 1681472, 2004832, 2218112, 2424448, 3257852, 3362944, 4009664, 4436224, 4848896, 6515704, 6725888, 8019328, 13031408, 16038656, 26062816, 52125632, 104251264, 208502528]

約数ペア:

[(1, 208502528), (2, 104251264), (4, 52125632), (8, 26062816), (13, 16038656), (16, 13031408), (26, 8019328), (31, 6725888), (32, 6515704), (43, 4848896), (47, 4436224), (52, 4009664), (62, 3362944), (64, 3257852), (86, 2424448), (94, 2218112), (104, 2004832), (124, 1681472), (128, 1628926), (172, 1212224), (188, 1109056), (208, 1002416), (248, 840736), (256, 814463), (344, 606112), (376, 554528), (403, 517376), (416, 501208), (496, 420368), (559, 372992), (611, 341248), (688, 303056), (752, 277264), (806, 258688), (832, 250604), (992, 210184), (1118, 186496), (1222, 170624), (1333, 156416), (1376, 151528), (1457, 143104), (1504, 138632), (1612, 129344), (1664, 125302), (1984, 105092), (2021, 103168), (2236, 93248), (2444, 85312), (2666, 78208), (2752, 75764), (2914, 71552), (3008, 69316), (3224, 64672), (3328, 62651), (3968, 52546), (4042, 51584), (4472, 46624), (4888, 42656), (5332, 39104), (5504, 37882), (5828, 35776), (6016, 34658), (6448, 32336), (7936, 26273), (8084, 25792), (8944, 23312), (9776, 21328), (10664, 19552), (11008, 18941), (11656, 17888), (12032, 17329), (12896, 16168)]