209716312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 438177600

約数和(自身を除く): 228461288

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 137, 164, 274, 328, 359, 533, 548, 718, 1066, 1096, 1436, 1781, 2132, 2872, 3562, 4264, 4667, 5617, 7124, 9334, 11234, 14248, 14719, 18668, 22468, 29438, 37336, 44936, 49183, 58876, 73021, 98366, 117752, 146042, 191347, 196732, 292084, 382694, 393464, 584168, 639379, 765388, 1278758, 1530776, 2016503, 2557516, 4033006, 5115032, 8066012, 16132024, 26214539, 52429078, 104858156, 209716312]

約数ペア:

[(1, 209716312), (2, 104858156), (4, 52429078), (8, 26214539), (13, 16132024), (26, 8066012), (41, 5115032), (52, 4033006), (82, 2557516), (104, 2016503), (137, 1530776), (164, 1278758), (274, 765388), (328, 639379), (359, 584168), (533, 393464), (548, 382694), (718, 292084), (1066, 196732), (1096, 191347), (1436, 146042), (1781, 117752), (2132, 98366), (2872, 73021), (3562, 58876), (4264, 49183), (4667, 44936), (5617, 37336), (7124, 29438), (9334, 22468), (11234, 18668), (14248, 14719)]