199808392

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{643}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 445132800

約数和(自身を除く): 245324408

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 179, 217, 248, 358, 434, 643, 716, 868, 1253, 1286, 1432, 1736, 2506, 2572, 4501, 5012, 5144, 5549, 9002, 10024, 11098, 18004, 19933, 22196, 36008, 38843, 39866, 44392, 77686, 79732, 115097, 139531, 155372, 159464, 230194, 279062, 310744, 460388, 558124, 805679, 920776, 1116248, 1611358, 3222716, 3568007, 6445432, 7136014, 14272028, 24976049, 28544056, 49952098, 99904196, 199808392]

約数ペア:

[(1, 199808392), (2, 99904196), (4, 49952098), (7, 28544056), (8, 24976049), (14, 14272028), (28, 7136014), (31, 6445432), (56, 3568007), (62, 3222716), (124, 1611358), (179, 1116248), (217, 920776), (248, 805679), (358, 558124), (434, 460388), (643, 310744), (716, 279062), (868, 230194), (1253, 159464), (1286, 155372), (1432, 139531), (1736, 115097), (2506, 79732), (2572, 77686), (4501, 44392), (5012, 39866), (5144, 38843), (5549, 36008), (9002, 22196), (10024, 19933), (11098, 18004)]